Check the listing for details. Sporteer Soft Hydration Flask - 500 ml - 2-Pack. Color: Blue, Condition: New. Listed at 20.49 USD. Sporteer is based in the desert of Scottsdale, AZ, so we know the importance of hydration. The Sporteer Hydration Soft flasks are perfect for all outdoor activities including running, hiking, walking your dog, or any activity that takes you away from a water source. These soft hydration bottle are compatible with the Sporteer Versa Series Belts (sold separately) and many other hydration belts and vests. 100% BPA & PVC FREE - Water bottle is made of soft, collapsible TPU and soft silicone bite cap for tasteless hydrationCOLLAPSIBLE AND LIGHT WEIGHT - Soft Flask compresses as you drink and folds easily when empty for bulk-free storageEASY SQUEEZE DESIGN & SOFT SILICONE BITE CAP - Running flask fits comfortably in your hand and a light squeeze and soft bite on the cap is all that is needed for quick hydration with no leakingDURABLE & FLEXIBLE MATERIAL - Flasks are made of TPU and are resistant to oil, grease and abrasion. RF welded seams ensure durability and no leaking