Specs

• 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 60° C / 140° F)
• Safe and reliable, 100% BPA & PVC free
• Material: Thermoplastic Polyurethane: HDPE
• Capacity: 32 fluid ounces (1 liter)
• Dimensions: Open - 8.2 x 3.9 inches (210 x 100 mm); Closed - 2.3 x 3.9 inches (60 x 100 mm)
• Weight: 3.7 ounces (107 g)