Product Name: Sport Lid / Flip Top Cap / Bottle Cap (SS4311) Model NO.: SS4311 Plastic type: PP Material: Plastic Type: Flip Top Cap Sport Bottle Cap, Sport Lid: Flip Top Cap, Flip Lid, Plastic Cap, Bottle Cover Trademark: Sea Song Transport Package: Plastic Bag + Outer Carton Specification: Max. Dia.: 49mm Origin: China HS Code: 3923 Product Description Sport Bottle Cap / Plastic Cap SS4311 Max. Dia.: 49mm, Lid Dia.: 45mm, Height: 38mm, Dia. of bottle mouth: 35mm, Material: PP with Shiny solid colors. Airtight and Leakproof. BPA Free. The color, style, size or other specifications can be designed according to your demand.