Secure swivel lid with lever lobe prevents leaks, easy to open with gloves on. Lid, 500 ml vacuum bottle Incredibly lightweight, vacuum-insulated bottle provides 10 hrs. hot and 20 hrs. of cold retention while being 1/3rd lighter than traditional designs · Reviews Stainless steel is sturdy and clean, and advanced engineering reduces weight and reduces bulk without sacrificing strength and durability. Ultra-light, super durable and developed with stainless steel walls that are incredibly thin at 2mm, this compact bottle keeps liquids cold for 20 full hours and keeps hot for 10 hours., Take it everywhere. BOTELLA TERMICA MICROLITE 500 TWIST GSI OUTDOORS - Mountain House Patagonia GSI Outdoors Microlite 1000 Twist: Ultimate Lightweight Water Bottle The smart lid is designed for a secure grip. Long lasting double wall insulation provides 10 hours of heat and 20 hours of cold retention. Stainless steel is tough and clean, and advanced engineering reduces weight and reduces bulk without sacrificing strength and durability Keeps Cold 20 Hours Hot 10 Hours GSI Outdoors MICROLITE FLIP 500 TRUE BLUE, Única Swivel Lid With Integrated Strap Long lasting double wall insulation provides 10 hours of heat and 20 hours of cold retention