Ohuhu Reusable Ice-Bag Hot Water Bag Set For Injuries and Pain Relief The Ohuhu Reusable Ice Bag Hot Water Bag For Injuries and Pain Relief Set ($12 for three) consists of a small, medium, and large bag — all of which can be used for heat and cold therapy. Image Source: amazon.com Ohuhu Reusable Ice Bag Hot Water Bag For Injuries and Pain Relief Set $12 from amazon.com Buy Now