GSI Outdoors Infinity Backpacker Mug Lightweight insulated sleeve keeps beverages warm in mug and free of dirt while camping, hiking, and backpacking; holds 17 fluid ounces of liquid Made from BPA-free, non-leaching polypropylene with a nylon-wrapped sleeve and sealable sip-it lid Handle collapses for easier packing and storage Weighs just 3.5 ounces; backed by a full manufacturers warranty Ballistic cloth covered cozy with collapsible tarpaulin handle for easy use and compact travel Sip-it lid keeps critters out Keep your beverage warm