· [HEAVY DUTY BOX SPRING]: Crafted with heavy duty materials, this box spring for queen bed provides excellent firm support for your mattress, guaranteeing a restful and comfortable sleep, and it also would extend the life of your mattress.· [LOW PROFILE DESIGN]: 4 inch queen box spring only works better with the high-size mattress, designed to satisfy customer who prefer a lower bed off the floor. Meantime, its low profile design makes getting in and out of bed easier.· [BOX SPRING COVER INCLUDED]: High quality fabric cover offer high wrinkle resistance and stretchability while being easy to install and remove for spot cleaning, it also fits tightly into box spring cover queen, leaving you with a clean and tidy bed.· [EASY ASSEMBLY]: You will receive detailed instructions and all the necessary hardware to install this box spring queen along with the package. By following the instructions carefully, you can set up the entire box spring faster than you might expect.· [SAY GOODBYE TO NOISE]: The noise-proof design at the joints of the queen size box spring effectively minimizes any potential disturbing noise once installed correctly. Bid farewell to squeaking and creaking sounds when using our product.