Profile: Crown Poly is a global plastic manufacturing company offering an innovative bagging system for produce, bulk, ice bags and consumer-end products. Our sports ice bags are highly flexible plastic that render ideal conformity during application. They have self-opening facilities for easy use and a reinforced star seal bottom delivers superior protection against leaks and breakage. It is ideal for paraffin treatments. Our new Xtreme ice bags are ideal for areas of high movement such as knees and elbows. They offer unsurpassed combination of strength and flexibility.