20/30oz Reusable Tumbler Cover with Handle Spill Proof Tumbler Flip Straw Lid Splash Resistant for Stanley Tumbler. Flip Straw Lid Replacement with Handle Spill Proof Reusable Tumbler Cover Splash Resistant for Stanley 20/30oz Mug Accessories. Features: Perfect Fit, Premium Materials, Temperature Retention, Easy to Clean, Snug Seal. Specification: Origin: Mainland China, Main Material: PP+Steel, Color: Black, Gray, Main Size: About 8.8cm (3.46in)*8.8cm (3.46in)*4cm (1.57in) (Excluding Handle Size), Net Weight: About 110g. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measuring deviation due to manual measurement.