Food-grade, USA-made film is taste-free, BPA-free, and dries quickly due to its self-expanding opening, preventing mold. Built with flexible, puncture-resistant materials and strong seams, it’s leakproof and comes with a Lifetime Warranty. The 14" x 7.25" design features a wide opening for easy filling, a Mid-line quick disconnect for universal fit, and a GYZR™ 3-way bite valve with 20% faster flow and a Flip-n-Stick™ magnetic retainer for convenience.