Microfiber SUPER SOFT FABRIC: Our baby bedding bassinet sheets are made of soft and breathable fabric that best fits the standard bassinet crib. The elastic band surrounds the mattress, so mothers will not worry that it will slip away, creating a comfortable and stable sleeping space for the baby. Rest assured, every product meets the OEKO-TEX Standard 100 and is safe for babies FRIENDLY TO MOM: We helped mothers find a cradle sheet bassinet cover that is super easy to install and use, which is not only safe for the baby but also has a stylish flower pattern. It can also be used to decorate the baby's room and take photos to record every moment of the baby's growth SUPER EASY TO CLEAN: There are four pieces in the deluxe gift box packaging. When the bed sheets need to be cleaned or an accident occurs, you can change them for your baby at any time, ensuring you have another replaceable bed sheet on hand. The sheets are machine washable, light, breathable, and easy to dry SUPER LONG LASTING: We have carefully crafted the craftsmanship and checked every bassinet mattress to ensure you buy the best crib sheets cradle mattress. Made of high-quality fabric, our bassinet sheets for baby boys do not wrinkle, unravel, roughen, scrunch, warp, shrink, develop holes, or lose their stretch after washing. Machine washable, the fabric stays new after every wash ONE SIZE FITS ALL (32"X16"X3"): Classic universal size. Not too big, not too small, smooth and snug to fit almost all bassinets, loungers, cradles, and co-sleepers' standard, oval, round, rectangle, and hourglass-shaped mattresses we've done to work for you - our bassinet sheets will fit any oval, hourglass, cradle, or rectangular baby bassinet bedside sleeper or cosleeping baby bed mattress up to 3’’ deep. Unlike inferior sheets, our sheets were designed with newborn safety in mind. By utilizing a 360-degree elastic band, we created a sheet that will remain fit and snug all night long.