Amazon.com : Salomon Soft Flask Water Bottle, 500ml, 17oz XA - 42mm : Sports & Outdoors
Amazon.com: FITLY 5 oz - 150ml (FLASK150) Soft Water Bottle | Shrink As You Drink Soft Flask for Hydration Pack | Folding Water Bottle Ideal for Running, Hiking, Cycling, Climbing & Rigorous