The RMW™ with Z-LOCK™ wrap portion is a patented product:
U.S. Patent No. 6,787,209 ; U.S. Patent No. 7,541,080 ; Australian Patent No. 2005300259 ; Australian Patent No. 2003292463 ; China Patent No. ZL200380100224.X ; China patent No. ZL200580020614.5 ; Turkish patent No. TR2006 07638B ; Israel patent No. 180527 ; Israel patent no. 163215 ; Brazil patent No. PI0307327-0 ; India patent No. 254696 ; South Africa patent No. 2006/09928 ; South Africa patent No. 2004/5937 ; Argentina patent No. AR043323B1