1.Size The thermal curtain cold protection measures 100x220 cm and fits a door frame size of at least 101 cm wide x 221 cm high.Please measure your door size carefully before purchasing.This maintains the temperature of doors, balconies, bedrooms, kitchens, baby rooms, greenhouses and other rooms. 2.Full frame Velcro design↩️↪️The thermal protection curtain for doors has soft plush edges on both sides.Depending on the position of the door handle, it can be freely glued on both sides to ensure universal use of the left and right openings.The left door curtain opening is used on the left handle and the right thermal door curtain opening is used on the right handle. 3.Material The high-quality thermal curtains against cold and heat are made of durable fabric and thick cotton filling.It prevents heat loss in the house in winter and prevents hot outside air from entering the house in summer.This keeps the room temperature balanced and reduces the discomfort caused by extreme weather conditions. 4.Wide range of uses The thermal curtain against cold and heat does not need to be opened by hand, so the elderly, children and pets can easily pass through.After a few seconds, it closes automatically and quietly due to the effect of magnetism.In addition to maintaining a constant room temperature, it can also resist dust and odors, reduce outside noise and protect privacy. 5.No drilling or screwing required️ Simply stick the nylon tape to the door frame for completed installation.The widened nylon strip at the top improves adhesion and prevents the curtain from falling off easily.The included thumbtacks can be nailed to the wooden door to increase the stability of the thermal door curtain.