Description Imported food grade silicone materials, it's BPA free, , odorless and nontoxic, do no harm to the body, especially to frail kids. Adopt dust-free and disinfection technology to control the quality strictly and conform to the hygiene and safety standard, can be used trustingly. It's universal to various kinds of water bottles in the market. Don't worry the metal or solid plastic hurt your teeth,especially children, silicone cover protect your teeth from the hard bottle rim. Features - Color: Transparent - Material: Silicone - Size: 6.6 x 3.4cm - Imported food grade silicone materials, it's BPA free, , odorless and nontoxic, do no harm to the body, especially to frail kids. - Adopt dust-free and disinfection technology to control the quality strictly and conform to the hygiene and safety standard, can be used trustingly. - Don't worry the metal or solid plastic hurt your teeth,especially children, silicone cover protect your teeth from the hard bottle rim. - It's universal to various kinds of water bottles in the market. Good choice for your kids. Package Including 5 x Straw TipsIt's universal to various kinds of water bottles in the market. Good choice for your kids. Don't worry the metal or solid plastic hurt your teeth,especially children, silicone cover protect your teeth from the hard bottle rim. Adopt dust-free and disinfection technology to control the quality strictly and conform to the hygiene and safety standard, can be used trustingly. Imported food grade silicone materials, it's BPA free, , odorless and nontoxic, do no harm to the body, especially to frail kids.Unit Count: 5.0 Count. Brand: TOPBATHY. Special Feature: Reusable. Size: 6.6 x 3.4cm. Color: Transparent. Material: Silicone. Date First Available: July 26, 2019. Best Sellers Rank: #108,715 in Baby. Customer Reviews: 4.6 4.6 out of 5 stars 15 ratings 4.6 out of 5 stars. : B07VRYHFTY. Manufacturer: TOPBATHY. Item Weight: 0.705 ounces. Product Dimensions: 2.6 x 1.42 x 0.35 inches.