Imprint Method: UNIMPRINTED - Durable copolyester material, 10% plant based. Shatter, stain, and odor resistant. Screw-on lid with spill-proof bite valve and one-finger carry handle. No tip drinking, simply flip open Bite Valve & Sip. Wide mouth opening for easy cleaning and filling. BPA free. Cap dishwasher safe. Recommended for ages 3+. Exclusive Through a partnership with 1% For The Planet, one percent of sales of EcoSmart products will be donated to nonprofits dedicated to protecting the planet.