This new Underground Red stainless steel bottle is curvy to hold, gorgeous to look at. It just got better with our improved Classic Sports cap with better flow, more durability and it looks fine too! Bottles are single skinned so not insulated. 500ml stainless steel water bottle, sustainable ecofriendly reusable bottle. Supplied in cardboard sleeve zero plastic packaging. NOTE: Please note this bottle does not insulate. It does not keep drinks cold or hot for extended periods. If you are looking for an insulated bottle, please visit our Evolution or Epic ranges volume 500ml/18oz height inc cap 200mm diameter 75mm weight 138g – Please handwash painted bottles