Trekka KOOLERS are insulating covers that keep your tanka cool for much longer. They are made from neoprene (wetsuit) material, are durable and soft, giving extra grip, colour and protection for your bottle along with a handy adjustable carry strap.
For a drink that stays cool for hours in summer, fill your bottle with ice cubes, top with water then fit a Kooler cover. All ECOtanka bottles have a special wide mouth, allowing ice cubes to be used for an instant cold drink. Please do not place your tanka in the freezer.
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