1. Up to 70% Space SavingCompress bulky clothing like jackets, sweaters, and travel outfits to reduce packing volume by up to 70%. Perfect for maximizing suitcase space on business trips, vacations, or long journeys. 2. Portable Dual-Power Compression PumpThe compact pump features a built-in battery for cordless compression and a USB power mode that connects to any 5V/2A Type-C power source, such as a power bank or laptop—so you can compress bags anywhere. 3. Durable Aluminum Barrier MaterialMulti-layer aluminum foil construction helps block air, moisture, and odors, protecting clothes from humidity and keeping fabrics fresher during travel or storage. 4. Travel-Optimized Bag SizesThree thoughtfully designed sizes help organize different types of clothing and fit efficiently inside common 20”, 24”, and 28” suitcases. 5. Smart Design for Better PackingFeatures like expandable bases for larger items, privacy-friendly opaque panels, and airtight dual-zip seals help make packing easier, more efficient, and more discreet. S-size: 40“ x 54” M-size: 47“ x 64” L-size: 54” x 74“ x 12”