Limited edition. Unlimited refills. Refill For Good is our rally cry to encourage people to make the switch from single-use products. We’re offering four colors and two sizes of our Limited Edition Refill For Good bottles, with $100,000 of the proceeds going to the Surfrider Foundation. Through your purchase of our Limited Edition #Refill For Good bottle, Hydro Flask is contributing $100,000 of the proceeds toward the Surfrider Foundation. Ideal size for all-day hydration. Temp Shield insulation keeps beverages cold up to 24 hours and hot up to 12 hours. Durable 18/8 Pro-Grade Stainless Steel construction. BPA-Free and Phthalate-Free. Dishwasher safe. Limited Edition. Compatible with all Wide Mouth Caps and Lids. Details. Volume: 946 m L. Mouth Diameter: 2.26″. Diameter: 3.58″. Height: 9.4″. Weight: 15.2 oz.