Hulsky crib mattress storage bags help to protect and preserve your crib mattress while it's not in use. Perfect for moving or temporary storage during family expansion years. The 28.5" x 7" x 64" crib mattress bag fits all standard sized American crib mattresses. Waterproof, keeps dirt and dust from touching your crib mattress. Made in the USA from 100% virgin polyethylene. BPA and phthalate free. Close with packing tape to provide a secure and customized fit.