Description Imported food grade silicone materials, it's , high temperature resistant, 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 , high temperature resistant, 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. Imported food grade silicone materials, it's , high temperature resistant, 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.