The 530 ml /18 oz crunch time is a double wall vacuum insulated tumbler made with pro-grade 18/8 stainless steel. It features a durable and premium matte powder coated finish with a screw-on spill resistant lid made from bpa-free eastman tritan copolyester. When in use, the flip-top closure, fitted with a silicone gasket, locks in place on the opposite side of the drinking spout. Its wide mouth design makes it ice cube friendly and easy to clean. Note: a logo position height variance of up to 1/4 may occur on this product.