Klean Kanteen Classic Stainless Steel Water Bottle with Klean Coat, Single Wall and Leak Proof Loop Cap 2018 DURABLE & LIGHTWEIGHT - Our stainless steel water bottles are made from high quality food grade 18/8 STAINLESS STEEL that won't flex when squeezed like cheap knockoffs. Lightweight SINGLE WALL water bottle design is perfect for everyday hydration when at work, on the trail or on vacation. Water bottle is lighter due to being NON-INSULATED and holds more liquid than our similarly sized insulated water bottles. SUSTAINABLE - Our KLEAN COAT powder coat is specialty formulated to be safe for people and planet while being 4X MORE DURABLE. All color Klean Kanteen stainless steel water bottles from 2018 feature this coating which is CHIP and SCRATCH RESISTANT. We went beyond regulatory standards to create a SAFE coating for those applying the coating and the people that use our water bottles EASY TO USE & VERSATILE - Large 1.75 inch (44 mm) opening fits ice and is easy to fill and pour. Comes with LEAK PROOF loop cap. COMPATIBLE with all Klean Kanteen Classic caps including the spill proof sport cap 3.0 and plastic free bamboo cap. HIGH QUALITY & EASY TO CLEAN - All Klean Kanteens water bottles go through extensive quality control to ensure the HIGHEST QUALITY materials and construction. This means all seams, threads and stainless steel finishes are smooth and easy to clean. The interior is ELECTROPOLISHED which is a safe and non-toxic process which helps with cleaning and won't retain or impart flavors. LIFETIME WARRANTY - Our goal is to REDUCE SINGLE USE, plain and simple. So we make products guaranteed to hold up to whatever life throws at them. Our lifetime STRONG AS STEEL GUARANTEE is our promise to making a truly superior product that we stand behind in the occasion you get a product that doesn't meet our standards. We released the first FULL STAINLESS STEEL WATER BOTTLE in 2004 and will be here for years to come with the best service and stainless steel bottles and products. Klean Coat powder coat finish is 4X more durable, chip-resistant and safe for people and planet Comes with <span class="a-text-bold">Leak Proof</span> Polypropylene #5 <span class="a-text-bold">Loop Cap</span> Durable and High Quality Food Grade 18/8 Stainless Steel Construction Large 1.75 inch (44 millimeter) opening fits ice, easy to fill and pour; Compatible with all Klean Kanteen Classic caps, including the Sports Cap 3.0 Easy to clean electropolished interior doesn&#039;t retain or impart flavors Backed by the Klean Kanteen Lifetime Strong as Steel Shale Black Coastal Waters Sierra Sunset