Sports Water Bottles: Squeeze Push/Pull, Straw for Helmets. Collapsible Carrier Mueller Sports Quart Size Squeeze Water Bottles : Push/Pull, Straw, Collapsible Carrier Straw Top Holds Water and Sports Drinks designed for Sports with Helmets : Football, LaCrosse, Hockey, Softball. Push/Pull Top used to squirt water/sports drinks into mouth: Soccer, Baseball, Volleyball, etc Used by from Youth to Collegiate and Professional Players, Teams and Leagues Durable/Lightweight Collapsible Wire Frame Carrier