When you're going for your personal best, running out of water is not an option. Essential equipment for every adventurer, the 1 liter Stash is large enough to handle all-day hydration, expanding for use and crushing back down for maximum pack space. Compact, flexible and 50% lighter than a hard bottle. It's construction with purpose. Features: - Twist to collapse down to 1/4 of it's filled size when empty, minimizing the space it takes up in your pack - At 50% lighter than most hard bottles it's the most compact and convenient water bottle solution - The flexible walls, TPU carry handle & grip ring create a comfortable carrying experience - External capacity gauge allows you to track your hydration intake or measure out the contents - The 63mm wide mouth screw cap makes it quick and easy to fill - Rigid top and bottom keeps it sturdy and easy to drink out of - Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity - Can be frozen or filled with hot water (max temp 60deg C / 140deg F) - Safe and reliable, 100% BPA & PVC free - Capacity: 1 L / 32 fl oz - Weight: 107 g / 3.7 oz - Dimensions: Open - 210 mm / 8.2 in x 100 mm / 3.9 in / Closed - 60 mm / 2.3 in x 100 mm / 3.9 in - Material: Thermoplastic Polyurethane; HDPE - Alternate images show different colorways, yet accurately display product features