This Mainstays double wall plastic Tritan bottle is 32 oz and with silicone sleeve and chug lid. It is made of BPA-free plastic materials. It has 4 colors (rich black/pearl blush/blue essence/arctic white) available for your selection. The lid could be interchangeable with the lids of other 24 oz and 40 oz Mainstays hydration SS bottles. The Tritan material makes the bottle impact-resistant and durable. The Double-wall sweat-free design prevents condensation. The silicone sleeve provides a considerate grip feeling. 32 oz capacity BPA-free and reusable. Twist chug lid with locking prevents drinks spillover. Smart wide loop handle for easy carry-on. The leakproof lid is interchangeable.