Protected by one or more of U.S. Patents 5,749,111; 6,026,527; 7,076,822; 7,730,566; 7,823,233; 7,827,636; 7,964,664; 8,607,387, and 9,051,169, with others pending. Purple and all product names comprising Purple, Hyper-Elastic Polymer, and No Pressure are trademarks of EdiZONE, LLC of Alpine, Utah USA.