This Camelbak MultiBev SST Vacuum Stainless steel bottle and cup is designed for convenience and durability. It features a roll and fold lid made of food-grade silicone that is splash resistant. The vacuum-insulated bottle and cup are constructed from 18/8 Stainless Steel. It also has a non-slip silicone base for stability and a durable powder-coat finish. The sweat-proof insulation ensures it stays dry. Easy to carry and easy to clean.