About this item

• Very Versatile: This gravity water bag is compatible with SP128 Mini, SP129 Squeeze, Micro Squeeze and other common brands water filter straw. Make your own filter straw into an outdoor gravity works water filtration system
• High-Quality Materials: This Burtrail gravity-fed water bag is made of Food-Grade TPU materials, BPA-free, safe and ultra-durable material to ensure safe and water leakage prevention all the time
• Accurate Leakproof: Whole body edge of this gravity water bag adopts a double soldering sealing side quilting design to withstand a large degree of squeezing. When the water pipe is inserted, it can be auto-locked fast and will not loose
• Quick Water Filling: Wide mouth design makes the water filling and flushing process easy and fast. Camping rope suspension system and cutable hose,making your outdoor drinking water more convenient