Features: High quality material the neck cooling tube is made of TPU material,gel freezes faster and lasts longer than water,no need wait long time.reusable. Usages,all outdoors sports,activities:hiking,golf,fishing,driving,gym,fitness,spectator, gallery. workers in hot weather: cook, soldiers, students, field worker, gardening, farmer. relief for hot flashes or fever. usable even for dogs cats. Easy clean and portable ,the cooling neck wraps can be fold up,it is easy carry for office ,travel .hands free ,use convient. Wonderful sweet gift ,the wearable neck cooler is wonderful sweet gift for friend ,family lover on the summer ,it will help bring love and cooling to her. No battery needed.no charger needed! freezing starts anywhere below 18c (64f). simply place this neck cooling tube into iced water. no ice around you? no worries! it freezes using any ac! car ac, office ac, home ac, ice box, refrigerator, freezer. Package Includes: 1 Piece Neck Cooling Tube Specifications: Material:TPU Color:Pink,Blue,Purple note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.