HomeTop 12 PACK Space Saver Travel Compress Roll-Up Storage Bags Small to Large (12, S to L) Package included: 12 travel roll up storage bags. Sizes including: 4 Large (28"*20"), 4 Medium (24"*16"), 4 Small (20"*14"). Roll up Travel bag features: Instantly create extra space in your suitcase. Perfect for storing dirty laundry while travelling. Reusable. Roll out the air through the patented 1 way valve at the bottom of the bag. No vacuum needed. Why buy from HomeTop? Our every storage bag comes with complete packaging with full instruction. Double zipper seal with material PA + PE. Our storage bag is 10% to 25% larger in the same listing size compare to others. We ship the item out the door in next business day with tracking number. Please visit my others storage bag listing for more discount and sizes combo selection by clicking our storefront link next to the title on the top.