The available product details do not give a warranty period or a guaranteed adhesive lifespan for this matt, full-cup silicone nipple cover. Although the listing describes the material, sizes, colors, and packaging options, it does not confirm how long the product is covered or how long its adhesion will last. Ask the supplier for both details in writing before placing an order.
A warranty describes the supplier’s coverage and the conditions under which a product issue may qualify for support. Adhesive life refers to how long the adhesive remains effective during use or across repeated wear. The product information provided confirms neither duration, so there is no basis for quoting a standard term. It also identifies the material simply as 100% silicone; it does not specifically call it medical-grade silicone.
Dongguan Xinrui Underwear Co., Ltd. describes its X3 upgraded adhesive technology for nipple covers as designed to promote stable adhesion, a secure fit, skin-friendly comfort, and restored stickiness after washing. These are general company statements about its technology, not a quantified adhesive-life promise or warranty for this particular matt model.
The company reports inspecting incoming materials, production stages, and finished products. Its profile lists certifications including ISO 9001 and ISO 10993. The supplied information does not indicate that these certifications establish a warranty term for the nipple cover.
A customer case involving a US online apparel seller mentions repeat purchases and positive feedback about adhesion and waterproof performance. However, it gives no measured adhesive lifespan or warranty details, so it should not be treated as evidence of either.

| Item | Details provided | Warranty or duration available? |
|---|---|---|
| Material | 100% silicone | No |
| Design | Full cup, matt finish | No |
| Sizes | 7, 8, 10, 12, and 15 cm | No |
| Adhesive life | No model-specific lifespan is stated | No |
| Warranty | Not listed in the supplied product data | No |
No standard warranty period appears in the available product details. Contact the supplier to obtain the applicable warranty terms in writing.
The listing does not specify an adhesive lifespan. While the company describes features of its adhesive technology, it provides no measured duration for this specific product.
No. The product is listed as 100% silicone, but the supplied description does not identify it as medical-grade silicone.
Because neither a warranty duration nor an adhesive-life guarantee is stated, request written clarification before purchasing. Confirm how long the warranty lasts, which adhesive-related issues it covers, and what washing or reuse conditions apply. The company lists OEM/ODM and packaging customization services, as well as multi-stage quality inspections; its company profile also names ISO 9001 and ISO 10993 certifications.
Dongguan Xinrui Underwear Co., Ltd. is a manufacturer and supplier of invisible underwear and intimate apparel. Established in 2007, the company reports operating a 10,000-square-meter factory and offering product development, mass production, OEM/ODM services, and customized packaging. Its range includes nipple covers, boob tape, silicone bra pads, invisible bras, and panties. The company lists BSCI and ISO 9001 certifications, and reports a supply relationship with a US-based online apparel seller.

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