Size and compatibility - 21 in wide x 16 in deep x 15 in high - Fits most 3000–7000 BTU window air conditioning units Key benefits - Prevent cold drafts from entering your home - Reduce time spent on unit maintenance by shielding the unit from winter elements - Help extend the life of your window unit by protecting it from snow, rain, and exposure Easy installation - Easy to install with a secure fit - Includes a two-buckle strap to tightly fasten the cover and help protect the unit in windy conditions Durable construction - Heavy-duty, waterproof 600D polyester designed to withstand winter weather - Built to resist snow and rain, supporting long-term outdoor use Complete coverage - Covers the entire exterior of the window unit, including the bottom Use scenarios - Winter protection for a 3,000–7,000 BTU window AC unit to minimize drafts and weather exposure - Seasonal storage where the unit remains installed but inactive during cold months - Outdoor installations in windy or wet climates where additional protection helps preserve the unit’s condition Specification summary - Material: waterproof 600D polyester - Coverage: full exterior of the window unit including bottom - Compatibility: most 3000–7000 BTU window air conditioning units - Accessories: two-buckle strap for secure installation