Magnetic Thermal Insulated Door and Deck Curtain For Air Conditioner Room or Heating Room, Magnetic Screen Door Auto Closer. (100 cm W x 220 cm L) Door Insulation Wind shield Save Money ! Powerful Magnets Long Magnets + Powerful Short Magnets Energy Efficient and Multi-purpose / Enjoy your cool summer and warm winters with Door Screen Auto Closer by For Winter and Summer anytime Keeps the cold wind from entering and maintains warmth. Prevents unwanted heat loss. / keeps the cold air in and prevents unwanted heat gain. Anywhere on all types of doors / Kitchen doors / main entrance doors / windows / offices