The Bullet 16.9oz Vacuum Bottle features double-wall construction and a leak-proof locking cap. It helps keep drinks hot for 5 hours and cold for 15 hours. Engraving is also available on the top of the cap only. An optional zippered Ultra Hyde Pouch, SM-9006, is available at additional $0.64(G) US/$0.912(G) CDN per piece. The pouch is not available for imprint and bottles are not inserted in pouch. Hand wash only and allow any included care guidelines.