... Certification MSDS, CE, SGS, FDA, ISO13485...Also known as: cold hot pack, gel pad, gel pack, compress pack, microwavable hot ... screen print or offset printPackagingpolybag or customized ( PVC bag, paper box, PVC box, clamshell or other packaging)Function1.Massage Gel ... 80-90 degree Celsius for around 3 minutes; for cold use, please place it in the freezer for half and ...