Nike Convertible Training Water Bottle Spout can be positioned at 45-degrees for slow-flow sipping and 90-degrees for fast-flow, quick hydration; valve is easy to disassemble and reassemble, and all parts are dishwasher safe Molded Tritan construction Impact-resistant and ultra-durable, won't transfer plastic smells or tastes to bottle contents 24oz 750ml capacity 100% High Temperature Copolyester BPA-free Tritan material call out printed on bottles