Fill ingredients: Natural buckwheat, Lavender Wrapper Material: Beige Coral Fleece, easy to clean with damp cloth. Usage: Heat or microwave for 2-3 mins. to obtain hot therapy. To obtain cold therapy, freeze at least one hour. Kit includes: Lumbar Pad: Fits the lower back and abdomen regions to provide temporary pain relief. size: 45cm*13cm, 450g. Eye Cover: Great hot & cold therapy tool. Effective for puffiness around eyes. Super convenient to use with straps. Size: 16cm*9cm, 150g. Mini Pillow: Promotes muscle relaxation, reduce fever and swelling, Great for stomach cramps, back pain and headaches. Also ideal for rest and relaxation during treatment time. Size: 16cm*10cm, 150g. Shoulder Pad: Conforms to shoulder or neck area to offer you excellent relaxation. Size: 45cm x 27cm, 800g.