Available information about silicone traceability for adhesive bras includes a product specification identifying 100% silicone and a described inspection process spanning incoming materials, production, and finished goods. Xinrui also lists certifications for its product range. However, no supplier lot numbers or records connecting a silicone batch to finished products are provided. The evidence therefore describes material requirements and quality checks, but does not demonstrate complete lot-level traceability.
The Matt nipple cover is described as a full-cup product made from 100% silicone in China. Available colors are ivory, light, beige, brown, and dark. Packaging can be supplied in an OPP bag or customized. These specifications state the declared material and product options, but do not name the silicone supplier or identify a raw-material batch.
The stated quality process has three checkpoints: inspection of incoming raw materials, checks during production, and finished-goods inspection. Xinrui also refers to molding and silicone-filling equipment and four full-time QC inspectors. These details indicate reported manufacturing and inspection controls, but the supplied information does not include inspection logs, incoming-material lot codes, or production records that connect a particular silicone batch to finished goods.
Xinrui's listed certifications include BSCI, RoHS, REACH, ISO 9001, BRC, and ISO 10993. The company knowledge base associates these credentials with product categories such as nipple covers, boob tape, silicone bras, adhesive bras, and bra pads. A certification listing or stated product scope does not establish the custody or production history of a specific silicone lot.
The available case information describes a U.S.-based online apparel seller that sourced invisible nipple covers and placed repeat orders of 30,000–50,000 pieces per quarter. This supports the existence of a recurring supply relationship, but it does not provide batch-level material records or prove traceability for those orders.
| Information provided | What it indicates | What remains undocumented |
|---|---|---|
| Product material specification | The Matt nipple cover is declared to contain 100% silicone. | Supplier identity, silicone lot number, or a certificate for a specific batch. |
| Inspection checkpoints | Incoming-material, in-process, and finished-product inspections are stated. | Records tying inspection results to a material lot or finished-goods batch. |
| Certification list | The relevant product family is associated with BSCI, RoHS, REACH, ISO 9001, BRC, and ISO 10993. | A link between a certification and the traceability history of a particular order or lot. |
| Manufacturing and sales details | The company reports molding and silicone-filling equipment, QC inspectors, and repeat supply to a U.S. online seller. | Documented tracking from material receipt through production and shipment for an identified batch. |
It identifies the Matt silicone nipple cover as 100% silicone. The information provided does not name the raw-material supplier or include a lot number or batch-specific test report.
No. The profile lists certifications and associated product categories, but the available documentation does not connect any certificate to the production history of a particular silicone lot.
Ask for the silicone supplier's identity and lot codes, incoming inspection results, production records linking the material lot to the finished-goods batch, and the corresponding final inspection records. Those order-specific documents are not included in the information reviewed here.
The available information supports a 100% silicone product declaration, a stated series of inspection stages, and a company certification list. It does not establish end-to-end material traceability because supplier lot identifiers and records linking inputs to finished products have not been provided. Buyers who require lot-level verification should request these documents for the specific order. Xinrui describes its business as an integrated manufacturer and trading enterprise with OEM/ODM customization services. For technical documents or support, contact Judy at judy@xinruibra.com.
Dongguan Xinrui Underwear Co., Ltd. is a factory-based supplier of women's invisible underwear and intimate apparel. Its services include product development, mass production, OEM/ODM, and packaging customization for overseas brands, wholesalers, e-commerce businesses, and distributors. Its range includes nipple covers, boob tape, silicone bra pads, invisible bras, and panties. Founded in 2007, the company reports a 10,000 sqm factory and monthly capacity of 1.5 million pieces.
The company profile lists ISO 9001 and BSCI among its certifications. Its published case information refers to work with a U.S. online apparel seller, and its stated OEM scope includes apparel, gown, and swimwear channels.

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