the Spring Water Bottle is an Absolute Bestseller. the Bottle is Made of Eastman Tritan™, Which Means It is Bpa-Free, Light, Durable & Impact-Resistant. the Bottle is Single-Walled, Holds 600 Ml of Liquid, & the Stainless Steel Metal Twist-On Lid Ensures Easy Opening & Closing. Besides All, the Spring Bottle Offers Enough Space for Adding Any Wanted Logo or Other Messages. Minimum Quantity: 50