Robust Description: The scratch-resistant children's sippy cup is made from polypropylene, silicone, and a weighted steel ball. This children's drinking bottle with a straw is very sturdy and durable. Simple Design: This easy-to-grip water bottle with a straw features a durable handle. The stem design wrapped with metal balls directs the tip of the straw in any direction towards the water. You won't have to worry while traveling, as this children's water bottle with straws spills no liquid at all. Easy to Carry: The children's drinking bottle can be effortlessly carried around by your kids. The compact size of the travel water bottle keeps your child hydrated at all times. Complete Protection: This amazing foldable water bottle cap with a straw protects the straw from any contamination. With our BPA, phthalate, and PVC-free drinking bottle, your children can drink safely.