Upgrade: The Material upgrade to TPU is closer to the skin, and the Phase Change Material material is More useful divergence. Summer Must-Have: The Gel Bead Ice Neck Wrap is made of high-quality and durable materials, with a pressurized massage effect that quickly relieves muscle fatigue while providing a refreshing and cool sensation for complete relaxation. Versatile Cooling: The gel freezes faster and lasts than water It starts freezing anywhere 18C (64F). The cooling tube can be placed in ice water, car air conditioner, home air conditioner, refrigerator, freezer, and other cooling environments. Reusable: Neck cooling tube is made of durable material and can be refrozen after each use, allowing for multiple uses. Simply put the neck wrap in the refrigerator or freezer for 20-30 minutes and enjoy for 40 minutes up to 2 hours. (Cold holding time varies depending on the external environment) Ergonomic Design: The neck wrap is designed to fit the curvature of the neck, providing a comfortable and safe fit while staying cool. Portable and Convenient: This neck wrap is small, , and easy to carry, making it an perfect cooling for any occasion, such as , , the gym, or while doing outdoor activities. Colour:Blue Material:TPU+PCM Package Contents: 1 x Neck Cooling Wraps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.