Hydrate this reliable essential. The Polar Camel™ Sippy Cup 10 oz is a high-endurance staple. Forged from 18/8 gauge stainless steel with double-wall vacuum insulation and a durable powder-coated finish, it provides a sweat-free design and superior hot and cold temperature retention. The screw-on lid with a flip-top straw keeps messes contained while you are at the kids' weekend sports games. To protect the quality of your custom design and keep it looking flawless through every use, we recommend hand-wash only.