Ultimate Direction Jurek Grip 350 Weighs only 1/2 oz. - reduces the swing weight on your arm The Grip handstrap fits both the 350ml and 600ml bottle New FlexForm Bottles for great hand ergonomics. Hypalon ring increases stability. Volume:350 ml - Weight: .49 oz. / 14 g - Height: 6.7 in. / 17 cm - Width: 3 in. / 7.5 cm - Depth: 2.4 in. / 6 cm. Materials: MonoRip Mesh: Breathable, non-stretch, and hydrophobic - this lightweight monofilament mesh is ideal for bounce-free load carrying - 60D Silnylon: Greater strength and abrasion resistance with low weight - 4-way PowerStretch Woven: A spandex-enhanced stretch woven for secure carry and great looks