Fatmingo Collapsible 11 Oz Silicone Sports Water Bottle BPA Free - FDA Approved - Reusable Water Containers 320ml used for Any Outdoor activity Food Grade Silicone, Rollable and Foldable with metal carabiner and retainer band for clip-on and storage Capacity:320ml, Size:2.3 x 7.09 inches Leak Proof - Can be packed full among other belongings with no risk of spilling. Takes very little space when empty and can be put away in a small pocket. Water is life, take it to anywhere you want to go