DL-18 Stainless steel vacuum insulated 18 oz double walled water bottle 540 ml. Get ready to roam wanderers welcome. 24 hours. 6 hours. Condensation proof. Cold for 24 hours. Hot for 6 hours. Creating Outdoor Opportunties: Aquapelli supports giving every kid the opportunity to explore the outdoors. Find out more about our cause at aquapelli.com/Givingback. Lifetime warranty. aquapelli.com. For more information visit aquapelli.com. 100% BPA free. Made in China.