Homydom Air Conditioner Cover Inside,Window AC Unit Cover, Double Insulation with Elastic Strap, Light Yellow S-21"x 13"x 3.5"(L x H x D)

Inside Dimensions - S ( 21"long x 13"high x 3.5"deep ), high elasticity which can cover 19-21"long x 11-13"high x 2.5"deep. Fits Most 3,000 - 7,000 BTU Window Air Conditioner Unit | Stop cold air drafts from entering through air conditioners, cover inside window-mounted air conditioning unit | Reduce heating costs during winter, no need to remove and reinstall A/C unit | Double insulation - Poly lining and the outside cover are stitched together. Quilted machine washable poly/cotton cover | Breezy Installation completely in one step with elastic straps. Minimum Assembly, Sturdy, and Convenient