Take matters into your own hands with the SkyFlask™ 500ml handheld. Designed for the minimalist runner, the SkyFlask is lightweight and easy to hold with an adjustable hand strap for a more precise fit. It has a twist locking cap, high-flow bite valve, and large opening for rapid refills. Your next PR awaits. FEATURES: ADJUSTABLE HAND STRAP - The ideal hand-held solution for running, adjustable strap cinches down to fit different hand sizes. COMPRESSIBLE - Soft design shrinks as you drink, reducing water movement and easily stores in your pocket when empty. LOCKING CAP - Leakproof, twist-locking cap for spill-free transport. LIGHTWEIGHT - Flexible design makes it light and compact Soft material conforms to your hand and the precise fit means that you can run with a relaxed hand and still securely hold your water High-flow bite valve auto-seals after each sip, eliminating annoying drips Large standard 42mm opening lets you fill the flask easily with ice and drink mixes 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 SPECS: CAPACITY - 500 ml /17 fl oz DIMENSIONS - 200 mm x 80 mm / 7.8 in x 3.1 in WEIGHT - 57 g / 2.0 oz MATERIAL - TPU, PP, HDPE, Silicone, Nylon