This insulated Bamboo Travel Flask with FIF-TEA and Flower Teacup design is perfect for those celebrating their 50th birthday or those who also like being eco-friendly. This sustainably sourced bamboo flask has a doubled walled stainless steel inner case and can be used with both hot and cold drinks. The insulation can keep drinks cold for up to 12 hours and hot for up to 9 hours. This flask is very durable and will retain its look for many years to come. Ideal to use it again and again. • Keeps drinks cold for up to 12 hours and hot for up to 9 hours. • Capacity: 500ml Dimensions: 24.5 x 6.9 cm Ø - (9.64" x 2.71" Ø)