Features: PP Material: Made from food gradable PP material. Comfortable handle firmly grips your tumbler at any angle, even upside down.  Ergonomic Design: With ergonomic design, comes with optimized grooves supporters to bring youir fingers eaze while holding the tumbler.  Comfortable Grip: The enhanced hand grip is 0.9 inch thick which is the most comfortable size for palms to hold.  Thickened Heightened: Thickened and heightened ring of the tumbler handle holds the fully filled tumbler perfectly and snugly.  Anti Slip: Anti-slip rubber design, hold on cups will not drop, stay firmly with cup Specification Material: PP Color: Black Compatible: Fit for 30oz Cup Package included: 2pcs x Tumbler Handle Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement