Materials: Outer: Cotton Inner: Polyester, Aluminum film Size: Height: 22.0 cm Width: 13.0 cm Gusset: Round bottom (diameter) 8.5 cm Handle (sewn on): 27.0 cm Holds approximately 500-600ml. Suitable for both insulation and cooling. This bottle cover is made from popular cotton vintage fabrics, such as Kurume Shosho-gasuri and Yukinko-gasuri. The main body, the upper opening, the handle, and the round bottom are made of Shosho-gasuri, while the lower body is made of other kasuri fabrics pieced together vertically. The opening has a drawstring closure (navy) with a cord stopper (black). For washing, it's best to dry or wipe off any condensation. Please use it for carrying drinks or as a gift. Thank you.