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OEM 5-Layer Heavy Flow Period Underwear Brief | Snap-Open Side Closure | 50ml Cotton Leak-Proof | XS–XXXL

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Built for heavy flow days and overnight protection, this 5-layer snap-open period underwear brief delivers 50ml of absorbent capacity in a low-rise cotton-blend cut that looks and fits like everyday underwear. The signature side snap closure — two discrete buttons on each hip — allows the garment to be removed and changed without undressing, a practical feature for active users, travelers, and post-surgical patients managing flow during recovery. The extended, widened leak-proof gusset covers front-to-back across the full crotch panel, eliminating the side gaps that standard period briefs leave behind. Ljvogues supports private-label printing, custom color and packaging, and OEM orders from 300 pieces with 72-hour sample turnaround.

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Product Description

Product Description

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Specifications

Attribute	Detail
SKU	AS080
Product Type	Period Underwear Brief — Heavy Flow, Snap-Open Side Closure
Absorbency	50ml (heavy flow / overnight use)
Layer Count	5-layer construction
Main Fabric	92% Cotton / 8% Elastane
Gusset Lining	100% Cotton
Closure	Snap buttons — side-open at both hips
Rise	Low rise
Weave	Plain weave (平纹)
Color	Black
Sizes	XS / S / M / L / XL / XXL / XXXL
Target Age Group	Young adult to adult (18–40 years)
Washing	Machine washable, cold or warm
Lead Time (Stock)	1–3 days (in-stock)
Production Lead Time	10–20 days per 1,000 pcs
Packaging	Bag packaging / custom OEM packaging
OEM MOQ	300 pieces per design
Sampling Lead Time	72 hours
Key Markets	Amazon, Wish, Shopee, independent DTC, LAZADA; Europe, Southeast Asia, North America, Northeast Asia, Middle East
Certifications	ISO 9001 / ISO 14001 / BSCI / SEDEX / OEKO-TEX

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Size Chart

Size	Waist (cm)	Hip (cm)	Waist (in)	Hip (in)
XS	60–65	83–88	23.6–25.6"	32.7–34.6"
S	66–71	89–94	26.0–28.0"	35.0–37.0"
M	72–77	95–100	28.3–30.3"	37.4–39.4"
L	78–83	101–106	30.7–32.7"	39.8–41.7"
XL	84–89	107–112	33.1–35.0"	42.1–44.1"
XXL	90–95	113–118	35.4–37.4"	44.5–46.5"
XXXL	96–102	119–125	37.8–40.2"	46.9–49.2"

Measurements are body dimensions, not garment measurements. Due to cotton elasticity, allow ±1–2 cm variance. For OEM buyers requiring custom size grading — including plus size or petite extensions — Ljvogues can develop custom fit blocks upon request.

5-Layer Construction

Layer	Material	Function
Layer 1 — Skin Contact	Pure cotton — breathable layer	Soft, non-irritating contact surface; allows moisture to pass through without trapping heat
Layer 2 — Absorption Core	Large-capacity absorbent layer	Rapid draw-down core; captures and distributes fluid away from skin surface
Layer 3 — Lock Layer	Liquid lock layer	Traps absorbed fluid, prevents backflow to skin under pressure (sitting, movement)
Layer 4 — Antibacterial Barrier	Leak-proof antibacterial layer	Blocks liquid penetration to outer fabric; inhibits bacterial growth in the absorption zone
Layer 5 — Outer Shell	Main fabric (92% cotton / 8% elastane)	Soft, form-fitting outer; plain weave construction maintains shape across wash cycles

Widened and Lengthened Leak-Proof Zone: The gusset panel is extended front-to-back and widened laterally beyond standard brief construction. This eliminates the gap-leakage at the inner thigh and hip seams that occurs in standard-cut period briefs — a critical requirement for heavy flow and overnight use, where position changes during sleep create the highest leak-risk moments.

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Snap-Open Side Closure — Why It Matters

Standard period underwear requires full removal (pulling down from the waist) to change, which is impractical in confined spaces, during physical activity, or post-surgery when bending is restricted. The AS080's snap-open hip design addresses this directly:

Two snap buttons per side — secure during wear, quick to open for changes
No undressing required — the garment opens flat at both hips and lifts away cleanly
Ideal for travel, active lifestyles, and post-surgical recovery — change discreetly in a toilet stall without removing shoes, trousers, or compression garments
Consistent fit after re-fastening — snaps return the garment to the same position every time, unlike adjustable tape closures that shift over repeated use

For B2B buyers: this design feature differentiates the AS080 from standard pull-on period briefs and justifies premium retail positioning. The snap closure is also relevant for buyers sourcing for post-surgical, maternity, and elder care programs where ease-of-change is a clinical requirement.

Why Buyers Choose This Style

50ml heavy flow capacity — among the highest in the Ljvogues period underwear range; covers the heaviest single flow days and provides reliable overnight protection without layering additional products
5-layer non-toxic construction — 100% cotton gusset contact layer and antibacterial mid-layer with no PFAS coatings; suitable for buyers requiring non-toxic period panties positioning for health-conscious retail channels
Snap-open side closure — unique in the brief category — this design is genuinely uncommon in mass-market period underwear; it creates a defensible product differentiation angle for DTC brands and Amazon sellers seeking to stand out in a crowded category
Extended full-coverage leak-proof gusset — widened and lengthened panel provides front-to-back and side protection that standard brief constructions do not; directly addresses the "leak at night" complaint that drives negative reviews of competitor period underwear on Amazon and DTC
92% cotton main fabric — cotton-dominant construction gives the garment the feel and breathability of everyday underwear, removing the synthetic "period product" association that reduces adoption among first-time users
XS–XXXL size range — seven sizes covering waist 60–102cm; suitable for inclusive sizing retail programs and multi-demographic institutional buyers
Plain-weave surface — no textured panels or visible gusset lines through clothing; pairs with fitted bottoms and activewear without visible underwear lines

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vs. Standard Pull-On Period Briefs — Key Differences

Feature	AS080 Snap-Open Brief	Standard Pull-On Period Brief
Closure	Snap buttons — open flat at both hips	Pull-on elastic waist only
Change convenience	Opens without removing shoes/trousers	Requires full undressing
Best use case	Heavy flow, overnight, travel, post-surgical	Daily light-to-moderate flow
Leak-proof zone	Widened + lengthened extended gusset	Standard gusset width
Layer count	5 layers	3–4 layers (most competitors)
Absorbency	50ml	15–35ml (standard range)
Cotton content	92% main fabric + 100% cotton gusset	Varies — often synthetic-dominant

OEM/ODM Capabilities

Ljvogues' ISO 9001-certified Shantou facility (8,000 m², 200+ employees, 20+ years manufacturing experience) supports full OEM development for this style:

Snap configuration — snap count, snap material (metal / resin), and placement adjustable per specification
Absorbency customization — 5-layer standard (50ml); custom layering for 30ml (lighter feel) or 70ml+ (extra heavy flow) available
Color and print — solid black standard; Pantone matching or custom pattern printing across all sizes
Rise adjustment — low rise standard; mid-rise and high-rise variants available via OEM specification
Fabric substitution — bamboo cotton blend, organic cotton (GOTS certifiable), or recycled cotton (GRS certifiable) available for sustainability-positioned private-label lines
Private label & packaging — woven or heat-transfer brand labels, OPP bag or retail hang tag, Amazon FBA-ready labeling included
MOQ — 300 pieces per design; 72-hour rapid sampling before bulk production

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Frequently Asked Questions

Q1: What does 50ml absorbency mean in real-world use, and is this sufficient for overnight protection?

50ml is equivalent to approximately 3–4 heavy tampon changes or 5–6 regular tampon changes. For most users with heavy flow, this covers a full sleep cycle (6–8 hours) without needing to layer additional products. For extremely heavy flow (menorrhagia), we recommend pairing with a menstrual cup or pad for the first 1–2 hours of the heaviest flow day. OEM buyers can request a custom 70ml+ layer configuration for ultra-heavy flow product lines.

Q2: How does the snap-open side closure hold secure during wear, and will it open accidentally?

The snap buttons are set with a defined resistance tension — firm enough to stay closed during normal movement, exercise, and sleep, but designed to open cleanly with deliberate lateral pressure on the snap head. The button tension is calibrated during sampling and can be adjusted tighter or looser per OEM specification. Field testing across the Ljvogues product range shows no reported accidental openings during normal daily activity.

Q3: Is the 100% cotton gusset compatible with sensitive skin or users with latex or synthetic allergies?

Yes. The skin-contact layer is 100% cotton with no synthetic coatings, PFAS treatments, or latex-based components. The antibacterial layer uses a non-chemical antibacterial construction (physical inhibition rather than chemical biocide). For buyers requiring specific allergy documentation, OEKO-TEX Standard 100 test reports are available and confirm the absence of restricted substances across all layers.

Q4: Can this style be customized with a higher rise for postpartum or post-surgical buyers?

Yes. The AS080 is currently a low-rise cut, but OEM buyers can specify mid-rise or high-rise variants during the sampling phase. The snap closure construction is compatible with all rise heights. For postpartum recovery programs specifically, Ljvogues recommends combining a higher rise with a softer waistband tension — both adjustable via OEM specification. Contact us with your target waist coverage height and we will prepare a custom sample within 72 hours.

Q5: What markets is this product currently selling in, and what compliance documentation is available?

The AS080 is currently active in European, North American, Southeast Asian, and Northeast Asian markets via Amazon, LAZADA, Shopee, and independent DTC channels. Available compliance documentation includes OEKO-TEX Standard 100 certification, REACH SVHC test reports, and ISO 9001 quality management certification. For EU GPSR, US CPSIA, or market-specific requirements, Ljvogues can advise on whether existing reports satisfy your market entry needs or whether supplementary testing is required.

Related Products — Ljvogues Period Underwear Range

Style	Absorbency	Key Feature	Best For
Bamboo Bikini Period Underwear	3–5 tampons	PFAS-free, bamboo jersey	Light-to-moderate, everyday
High-Rise Bamboo Butt Lift	4 tampons	OEKO-TEX, extended back coverage	Moderate, active use
Bamboo Lace High-Waist Maternity	8hr protection	Bonded liquid lock, full cert stack	Heavy flow, maternity
Plus Size Mesh High-Waist	Moderate	82% nylon, XS–3XL, waterproof leg	Plus size, active
AS080 Snap-Open Heavy Flow Brief	50ml	5-layer, snap side closure	Heavy flow, overnight, travel
Teen Printed Period Underwear	Light-moderate	5-layer, organic cotton, custom prints	Teen / young adult

Get a Quote or Request Samples

For OEM pricing, sample requests, custom snap configuration, or absorbency specifications:

WhatsApp: +86-19928802613
Email: info@ljvogues.com
Website: www.ljvogues.com

72-hour sample turnaround | ISO 9001 & 14001 certified | BSCI / SEDEX / OEKO-TEX compliant | Ships to 108 countries

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