I'm selling this because I bought it but never used it. It's brand new, with the tags still attached. Product Description: Size: (approx.) Width 15 x Depth 15 x Height 25cm Materials: [Storage Container] Body/Stainless steel (acrylic resin coating), Lid/Polypropylene, [Inner Container] Body/Lid/Polypropylene, Packing/Vent/Silicone Capacity: 0.7ml x 2 Stainless steel vacuum flask construction keeps ice cold for a long time. A vacuum flask for carrying ice (for cold retention only). Each inner container can hold about 30 ice cubes (approx. 400g, ice cube size guide: 3 x 3 x 2cm). For replenishing drinks during sports. For quick icing after exercise. Ice packs, ice bags, jelly drinks, etc. can also be placed in the upper container instead of the upper inner container. Comes with a 2-way strap. Shorten it for hand-carrying, or lengthen it for shoulder-carrying.