THE BOTTLE High-grade stainless steel 17 oz (500 ml) Dimensions: 10.5″ × 2.85″ (27 × 7 cm) Vacuum flask Double-wall construction Bowling pin shape Glossy finish Odourless and leak-proof cap Insulated for hot and cold liquids (keeps the liquid hot or cold for 6 hours) Hand-wash only This item is made to order. This reduces waste but means it might take a little longer to get to you and can't be returned for change of mind. Thank you for shopping thoughtfully. ~~ BEHIND THE BRAND Water's Most Unwanted is a STEAM-powered initiative by the team at Risk Edge, where we blend science, technology, engineering, art and maths to make water quality knowledge more accessible, creative, and fun! We're not here to lecture. We're here to make learning sticky. Join the curious crowd navigating our not-so-clear waters. Use it. Share it. Start something.