Triple hardcore protection, guarding the value and performance of the kettle Thickened cushioning liner: 8mm high-density pearl cotton + velvet liner double protection, pearl cotton effectively cushioning falls, collision impact, velvet inner layer of delicate wrapping the body to prevent paint scratches, paint loss, mirror model Stanley can always shine like new. Military-grade waterproof outer layer: 1680D Oxford cloth + TPU waterproof coating, waterproof rating up to IPX6, can easily cope with rainstorms; the bottom of the additional wear-resistant rubber cushion, placed on the rough ground, rocks and no fear of wear and tear, to extend the life of the kettle. Dual closure design: the top is equipped with YKK metal zip + Velcro double insurance, the zip is smooth and easy to pull, and the Velcro enhances the sealing to ensure that the kettle will not slip out even in severe bumps, and dust and splash prevention is more at ease. Humanised design, unlocking the freedom of multiple scenarios Adjustable and wider shoulder straps: Equipped with 3cm thick sponge shoulder straps, the length can be freely adjusted between 35-55 inches, supporting cross-body, single shoulder and double shoulder carrying methods; built-in non-slip silicone strips on the shoulder straps, so that it will not slip even when the water bottle is fully loaded, and will not strangle the shoulders even after a long time of carrying. Hidden Handle Design: Hidden webbing handle on the top, load capacity up to 8kg, easy to carry for short distances; with metal hooks, you can hang it on your bike or mountaineering bag, freeing up your hands and making it more flexible. Multi-functional side pockets: mesh elastic pockets + zip pockets on both sides of the bag, which can store mobile phones, keys, energy bars and other items at the same time; mesh pockets with built-in elasticated drawstring, preventing small objects from falling out, making outdoor use more worry-free. The details of the bag are very meticulous, and the quality of the bag is very high. Reflective warning strips: 3M reflective strips are embedded around the shoulder straps and the body of the bag, which greatly improves safety when travelling or cycling at night, and makes it easy to cope with dim environments. Breathable drainage holes: Hidden ventilation holes at the bottom of the bag effectively drain condensation from the kettle, keeping the interior dry and avoiding the growth of bacteria, so you can fill it up with cold or hot beverages as you like.