This small ice pack is made of durable and flexible polyester+TPU material that can be easily filled with cubed or crushed ice. It conforms to your body and provides soothing relief for upset stomach, migraines, sinusitis, and swelling from sprains. It also helps reduce discomfort, speed recovery, and prevent further injury. This ice pack is reusable, leak-proof, and easy to clean. It's a must-have for your home, offices, or travel kit. Specification: Name: Ice Pack Bag Size: about diameter 15cm/5.91in Material: polyester + TPU Packing list: 1 x Ice Pack Bag Note: 1. Due to the different display and lighting effects, the actual color of the product may be slightly different from the color shown in the picture. Thanks 2. Due to manual measurement, a measurement deviation of 1-3cm is allowed.