DRINCO®, we are passionate to create the world-class drinkware products that you can enjoy your beverage everywhere. We apply exceptional know-how from years of experiences in design, technological expertise, and trusted product quality assurance practice.  Our product is designed to be durable and reusable as the sustainability and environment stand as core tenants of our belief system here at Drinco. PREMIUM QUALITY: The Drinco water bottle is constructed with rust-resistant (18/8) food-grade stainless steel double walled body.  The powder coating paint treatment makes the insulated water bottle virtually indestructible, scratch resistant and restricts temperature transfer. SUPERIOR INSULATION: stainless steel water bottle construction made from copper coating helps the water bottle to retain the cold or heat, maintains the temperature up to 24 hours for cold and 12 hours for hot beverages.