Hydration Bladder,Use Non Toxic BPA Free Anti-bacteria Strong Material For Bike trips,Camping,Hiking,Running - Manufactured With Leak Proof Sealing Technology - Stay Hydrated - Easy to Clean [Blue&3L] BPA-FREE & FDA APPROVED:Hydration Bladder Use ECO-FRIENDLY Material,it's BPA-free & No plastic taste.High-grade environmentally friendly TPU material profiles. With super toughness, anti-bacterial! SOFT ANTI-MICROBIAL MOUTHPIECE:Durable and soft anti-microbial mouthpiece for wholesome and effortless sipping.Prevent leaking with easily accessible ON/OFF valve and no plastic taste on the nozzle hose. LARGE MOUTH OPENING:Simply add ice, fill reservoir, clean, and dry your 3.0 Liter water bladder. Large opening allows for convenient access to the interior of the reservoir. INSULATED TUBE:Premium quality neoprene tube cover resists temperature changes in hot and cold weathers.Quick-release Tube can be detached for easy storing. Auto-shot off valve prevents Leaking when tube is detached. COOL WATER IN ALL CLIMATES:Allows for easy ice cube access and assures your ice lasts longer. Cool water keeps flowing even in extreme cold or heat.