4 Travel Roll Up Storage Bags: 24x16 inches (60x40cm), hand roll items into the storage bag, the Unique Roll-up Design squeezes every ounce of air out of the bags.No pump or vacuum required: When you're travelling and want the most space, these storage bags are perfect. No need for a hand pump or vacuum to use, just simply roll up and seal.Save Up More Storage Space: Rolling and pushing out air reduces the size of items up to 75% leaving extra space in your suitcase.Ideal Protection: Made with high quality materials, offers ideal protection for all stored clothes against water damage, dirt and dust. Keep dirty and clean laundry well separated while travelling.