Oasis 500ml Double Wall Insulated Bottle Stainless Steel - Lone Koala Convenient, portable and perfect for a fast-paced lifestyle all year round, the stylish and reusable Oasis Stainless Steel Double Wall Insulated Drink Bottle offers an environmentally conscious alternative to plastic bottles. Oasis Drink Bottles harness double wall vacuum insulation technology to significantly reduce heat transfer by conduction or convection. This technology prevents condensation from building on the exterior when storing cold drinks, and likewise, remains cool to touch when storing hot drinks. By using vacuum insulation technology, drinks remain cold for up to 24 hours or hot for up to 12 hours. External factors cannot permeate the bottle's exterior - perfect for Australia's diverse climate. Made from quality 18/8 grade stainless steel inside and out, Oasis Drink Bottles are highly-resistant to rust, are odourless and built to last a lifetime. Each bottle features a tight-fitting stainless steel twist cap with a silicone seal designed to ensure no leaks. Handwash only. Features 500ml Capacity.18/8 Stainless steel. Vacuum insulated. Stays cold for up to 24 hours | Stays hot for up to 12 hours. Features a tight-fitting stainless steel capped twist lid with no-leak silicone seal. BPA-free. PBS-free. Phthalate-free. Dimensions Approx. 6.5 x 26cm Includes 1 x Drink bottle