4 pineapple ice pack set resuable gel pack Features: The gel ice pack is a multifunctional product that can relieve pain, swelling, and other discomforts. You can also use them for hot or cold compresses effortlessly. Each gel ice pack is fitly sized for various body parts, such as the knees, ankles, wrists, shoulders, and forehead. The ice packs gel beads are suitable for various occasions, including post workout soreness, headaches, fevers, menstrual cramps, or simply aching muscles. Specifications: Material: flannel, gel , PVC, glycerin, water Color: YELLOW Size: about 11 x 12 cm Package includes: 4 x ice pack Use method: Cold compress: Put the bead ice pack in the freezer compartment of the refrigerator for 30 minutes, or put it in the refrigerator compartment for more than 1 hour and take it out. Hot compress: Method: first put this product in a microwave heatable container with 30 seconds, and then heat for 10 secon…