Features: 1. Easy to install: Simply push it into your hitch tube without any tool. No pin or clip required to hold in place, the friction from the ribs can keep it always there. Try to pull it out, to check whether it works well. 2. Function: This heavy-duty rubber plug is designed to protect the receiving tube in bad weather, prevent rain, dust, snow and ice on the hook tube, and prevent the receiving tube from rusting. 3. Anti-loss Design: Compared with some lids, our hitch receiver cup has a rubber ring on it, which hangs the receiver cup firmly on the hitch, when you don't need to use this plug for a while, just pull off the plug, no need to store it somewhere, no need to worry about losing it, very convenient! Specification: Material: ethylene propylene rubber Size: 2 inches, 1.25 inches 1.25" trailer hitch cover: suitable for Class 1 I receiver hitch, Class 2 II receiver hitch; 2" Trailer Hitch Cover: Fits any 2" x 2" receiver tube, for example: Class 3 III receiver hitch, Class 4 IV receiver hitch, Class 5 V receiver hitch. Package includes: 2Pcs x 1.25 inches Trailer Rubber Hitch Cover Plug Caps Note: 1. Please allow 1-2cm measuring deviation due to manual measurement. 2. 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. 3. Before purchase, please carefully check the model of the product to prevent discomfort in the later stage.