These vaccum flasks were designed in various solid colors or ingredient colors which can meet your various needs.Straight body with small botlleneck which can make your water be hot for a long time.Made of high quality PP, silicone, 304 stainless steel material, safe, durable, not easy to rust, and can be used for a long time.his sport bottle is leakproof, with 350-1000ml capacity in available, which is easy to carry, is the perfect choice for travel, home, office.Water bottle can keeps the beverage warm or cold in summer.Welcome to contact us for custom logo.