Our Compression Bags will allow you to fit more in your travels, eliminating the stress of running out of space. Available in three sizes suitable for a backpack (small), carry-on (medium), or luggage (large). Effortlessly compress the packs using the included travel-sized electric air pump. With its durable, water-resistant exterior and heavy-duty sealed zippers, you can expect airtight sealing with no air escaping and complete protection from external particles. Compression Pump Included Weather Resistant Airtight Zippers