... , gel pack, compress pack, microwavable hot cold pack, etc. MaterialPVC,Nylon+PVC or Neoprene,Velcro to closeSpec.23x18cm/160gGel ColorPanton color as ... screen print or offset print Packagingpolybag or customized ( PVC bag, paper box, PVC box, clamshell or other packaging Characteristics Reusable,Non-toxic ...