Round flask Item G1311 Size: All sizes are US sizes. Size Charts Quantity: 1 2 3 4 5 6 7 8 9 Prices include duties and VAT. Add to Bag Wishlist share: size & fit 3 1/2" diameter x 5/8"W. Product Details This flask gets right down to business, with a retro design and a price that won't hurt your wallet. Which, of course, means you can still afford the good stuff that goes in it. Stainless steel. Hand wash (not dishwasher safe). Import. Item G1311.