The material is strong and rigid and very resistant to bumps and bruises in everyday life. Although the exterior may suffer some minor damage, the internal insulation and heat retention will not be affected. The handy strap design makes it easy to travel with and is both attractive and practical. Not only does it look good, but the insulation is even better, fighting against time. Sealed silicone ring, 360° inverted without water leakage, not afraid of bumps and flips. Press the lid to open, energetic drinking water, and replenish water with a single click, simple and effortless. Made of 316 stainless steel, healthy and durable, drinking water is more secure. Free to customize with your desired logo or pattern.