Product description: Quantity: 1 piece Color: Black Weight: about 180g Material: polyester coated aluminum film. Size: 24 length x 24 width x 40 height (cm) (manual measurement, due to different measurement methods, there will be an error of 2cm, please be careful when taking photos) Details : Openings on four sides of the bottom make it easier to operate the printer buttons Features: waterproof/heat insulation/fireproof. Purpose: dust-proof heat shield for 3D printer Advantages: Foldable/cheap and good thermal insulation effect Helps prevent free resin fumes and also acts as an insulator to retain heat when printing in cold weather. Installation is quick and easy, foldable storage, easy to carry, wear-resistant, keeps the 3D printer away from dust, ultraviolet rays and moisture. The interior is pure aluminum film, the exterior is flame retardant, high temperature resistant and will not be ignited. Can maintain a constant temperature printing environment to reduce the impact Negative low temperature time on the printer, improving print stability. Instead of being forced to clean your printer at the end of a project, keep the device safe until 'until you have time to clean it.