These Fitted Bassinet Sheets by Delta Children are made specifically to fit our most popular bassinets (25020, 25021, 25022, 25602, 25023 and 25033). Designed to perfectly fit the bassinets oval mattress pad, these fitted sheets provide a snug and secure fit. Machine-washable for easy care. Keep a few extra sets on hand, so youre always prepared for late night accidents or early morning spills.