Features: Heated and Cooling 2 in 1: Heated steam eyes mask and cooling eyes mask, you can choose your desire temperature ranging from icing cold to steaming heat. Natural Silk Fabric & Natural Cotton Filled: 100% skin friendly natural lightweight breathable material, Pure cotton filled into pure mulberry silk fabric.Super light weight ,Ultra soft and comfortable. Lavender Heated Eye Mask: Inspired by disposable hot steam eye mask, heated with carbon fiber heater Combining with lavender the soothing warmth dissolve away the day's stress, help you to have a sweet dream. Temperature and Time Control: Eye mask designed with 4 classes heat temperature from 35 to 50°C and 5 classes timing from 10 to 30 minutes, It will stop working automatically when you go into deep sleep. Portable and Economical: Eye Masks with USB Powered by PC, power bank, USB adapter. It's perfect for take a rest for eyes at office, eye spa in the hotel. travelling, outdoor activities, and after work relaxation. Specification: Weight: 240g Voltage: 5V Heating Temperature: 30-50℃ (room temperature 20℃) Size: 195x 105mm Freezer Bag: - How to Use: Before use, freeze in the refrigerator for 10-20 minutes. Please pay attention to prohibit the use of electricity when using cold compress. - Note: When you use the heating pad, please remove the cold gel pad from the mask. Package Included: 1 x Eye Mask 1 x USB Cable 1 x Lavender Seed Bags 1 x Heating Pad