Warning: If the case cracks or leaks liquid, remove case and discontinue use immediately. The liquid is environmentally-friendly and not harmful to the human body. However, it may cause an allergic reaction or skin irritation for some individuals. If liquid comes in contact with the skin, rinse the affected area with running tap water and mild soap. Keep away from heat, flames or prolong sun exposure. Do not attempt to self-disassemble or puncture the case.