Size:10*15cm,Color Random Safe and High Quality Materials: High Quality Soft Thermoplastic Materials. Non-Toxic. Odorless and Recyclable. Ensure Maximum Safety and Good Heat Transfer. After The Test, There Is No Risk of Leakage or Explosion, and The Cardigan Protection Is In Place Easy To Use: There Are Different Animal Patterns On The Thermal Cardigan. The Internal Thermos Can Be Used. To Warm The Whole Body and Sore Muscles. Neck Stiffness. Lower Back Pain. Menstrual Cramps. Arthritis. To Treat Stress or Cramps. It Can Also Be Used As A Cold Compress for Children With A Fever or To Reduce Swelling and Minor Injuries. Exquisite Design: The Soft Fluff Can Prevent Burns From Direct Skin Contact and Keep Warm for A Long Time. The Surface of The Lattice Structure Can Retain Heat Longer Than Traditional Rubber Bottles. Slip and Scald Proof. Easy To Use: A Good Opportunity. The Freezing of Hands and Feet When Travelling. Hike. Prevent Camping or Other Outdoor Activities. It Is Also A Good Gift for Women and Girls. Elderly and Children. Customer Service Guarantee: If You Have Any Questions After Receiving The Product. Please Contact Us. We Offer You Comprehensive Services. Your Satisfaction Is Our Drive.