- PATENTED : 8 PACK Newest Bed Stopper / Furniture Stopper by iPrimio -LRB- proprietary -RRB- ®. universal joint Design Most Wheels. undiversified . n't Scratch / Leave Marks on Floors. Patent. universal joint Wheel Stopper - Bed & Furniture Wheels sound and Sliding - by iPrimio -LRB- patent pending -RRB- undiversified Rubber Design - Safe for ALL FLOORS - Will Never Harm Floors - It Works !!! . Fits Almost ALL WHEELS - easygoing to Slide Under to each one Wheel - Securely and Anchors to each one Wheel in Place easygoing to Vacuum and clean close To - Place Under All Four Wheels and Your Furniture and Bed Wo n't Move stocky Size - Measures 3 '' by 3 '' - by iPrimio a Michigan Based Company .