Features: * Made of wool fiber, soft and does not hurt the ball * Two sizes available, suitable for American billiards (16pcs) and snooker (22pcs) * Simple installation, just replace the old one * The wool ring is compact but very effective, and can thoroughly clean your billiard balls * Designed for polishing and cleaning stains on billiard balls, it is an essential accessory for maintaining billiard equipment * Please confirm whether your ball washer is for American billiards or British snooker before purchasing Specifications: *Product Name: Billiard Ball Cleaning Machine Wool Ring *Material: Wool fiber *Size: approx. Inner diameter: 57.15mm (For American billiards); 52.5mm ( snooker) *Color: white *Weight: about Package Content: 16x Wool Ring or 22x Wool Ring Note: . The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for [SOFT WOOL FIBER MATERIAL] Crafted from gentle wool fiber, these rings effectively clean your balls without causing any damage. [EFFICIENT CLEANING ACTION] Compact yet powerful, these wool rings thoroughly remove stains and dirt, your billiard balls look their best. [EASY REPLACEMENT] Designed for hassle-free installation, simply replace your old rings to maintain optimal performance of your ball washer. [SIZING CONFIRMATION REQUIRED] Please check the size of your ball washer before purchasing to compatibility with either billiards or British snooker.]