20/30 oz vacuum tumblers
Double wall 18/8 stainless steel vacuum insulated
Drawing forming inner wall without welding seam
High tech vacuum insulatation keep your beverage long time on the go
Lid: Tritan （USA Material) 100% BPA Free, FDA approval
Gasket: 100% food grade silicone
Ecoway keep developing eco-friendly drinking vessels for global customers with high quality and competitive prices, you can worry free to working with on your hydration product projects from the design to final shipment.