Keep playtime going with refreshment ready and waiting on the sidelines. Double-wall vacuum insulation keeps beverages cold for up to 24 hours. The slim silhouette makes it easy for little hands to hold and fits in most cupholders. With a colorful, easy-to-clean Straw Cap and cute Bottle Boot, it’s the perfect companion for any adventure. For ages 3+ Straw cap Cold stays cold. TempShield double-wall vacuum insulation Pure taste, no flavor transfer Bottle Boot for added protection Fits most cupholders Slimmer design is easy for smaller hands BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer Not intended for use with hot liquids Dishwasher safe Care and Use: Not for use on a stove, in a microwave or freezer. Not intended for use with carbonated beverages.