Made of food-grade 18/8 stainless steel which provides maximum rust-proof protection. BPA-free splash-resistant closed slider lid for easy drinking or use with a straw (not included). 12 Colors Available.

Other additional features include:

• Non-sweating
• Keep your beverage cold or hot by maintaining internal temperature for several hours.
• A sustainable reusable alternative to plastic bottles
• Non-leaching, toxin-free stainless steel
• Easy to drink from, drip-free opening