From mountain hikes to building sites, Stanley's range of insulated bottles, mugs and flasks are world-renowned for quality and fuss-free performance. That's why this product comes with a lifetime warranty.18/8 Stainless Steel, BPA-freeDouble-wall vacuum insulationLeakproof + packableInsulated lid doubles as cupDishwasher safe_
Best Price: £42.97 from Go Outdoors