Our 32 oz TKWide insulated water bottle was designed with versatility and portability in mind. to create the best wide-mouth water bottle for sports. hydration. the outdoors and every day use. The 32 oz TKWide features our TK Closure™ internal thread design with rounded lip and comes with the leakproof Twist Cap with built-in reusable steel straw.(fits 32 oz size)