Keep your beverage warm on the trail or during a long commute with the Infinity Backpacker Mug. Our favourite mug, now in the GSI Eco line, leads the way when it comes to materials & manufacturing. Made from BPA-free, non-leaching polypropylene & wrapped in a recycled plastic (r PET) cloth. The insulated sleeve, non-slip footing, & sealable sip through lid keep the contents warm (or cold) & free from spills, trail dust, & critters. A sturdy webbing handle gives a great grip & collapses flush for compact storage in your pack. The Infinity Mug with graduations for easy measurement holds 500ml but weighs just 135 grams, making it light enough for even the choosiest, ounce-shaving through-hiker. Spill-resistant top & sealable spout prevents loss of heat & drink alike. Cloth-wrapped, foam sleeve insulates hands & contents for a secure grip.