... Hot Cold Pack for Foot Both for hot and cold compress Non-toxic,Reusable, No mess, 100% safe CE,FDA,MSDS,SGS approval Gel Hot Cold Pack for FootRelax and ... your shoes .Application: HOTBring water to boil, remove from the heat, and immerse the gel pack for approximately 4-10 minutes. ... contents are exposed to the skin or eyes, flush with water immediately. Gel is Non-Toxic.-- If irritation or redness ...