The double wall insulation  keeps your drink COLD for up to 24 hours, and HOT for up to 12 hours.
➤ Premium Stainless Steel: The Iron Flask is made of 304 Stainless steel that is 100% BPA free and non-toxic. It will never leave a metal taste or rust. HAND WASH ONLY WITH SOAPY HOT WATER. NOTE: The stainless steel lid is plastic.
➤ Functional Design: The powder coat exterior finish is a classic. It assures that you stand out with a very durable and elegant bottle. 
➤ Lightweight And Portable: With a carry handle, equipped with flip top opening mechanism, this water bottle makes it easier to carry, anywhere anytime. Material is lightweight yet durable to use. Perfect for gym, workout,office and any outdoor recreations.