Stay hydrated in style with the Stan 900ml Double-Walled Stainless Steel Flask, featuring: Double-Walled Insulation : Keeps drinks hot or cold for hours with 310 stainless steel interior. Durable Handle: Strong handle for comfortable carrying, perfect for work and travel. Tough Exterior: Stylish, durable, and slip-resistant finish. Sipper Lid: Easy-to-use, spill resistant lid for sipping on the go. 900ml Capacity : Large enough to keep you hydrated throughout the day. Colors Available: Black, White & Grey Size & Capacity: 900ml, height – 24cm, diameter – 9.5cm