The Camelbak Hot Cap Accessory allows 360° drinking from any side and is easy to twist apart and clean. Accessory fits any size of Chute Mag Stainless and can accommodate contents up to 195°F, 90°C. This cap is compatible with only Chute Mag bottles only. Camelbak Hot Cap Accessory Features 360° Cap: Allows drinking from any side of the bottle Leak-Proof Rotating Valve: Twists open for easy sipping and twists apart for easy cleaning Fits All Chute Mag Stainless Bottles: For giving your bottle an instant upgrade Dishwasher Safe Cap: Cap assembly is top-rack dishwasher safe (hand wash vessel) Accessory fits any size of Chute Mag Stainless and can accommodate contents up to 195°F, 90°C.