2 sets The following is AI-generated: Clothing compression bags with a 90-micron, 5-layer structure, 1.4 times stronger, perfect for travel and storage. - Quantity: Set of 2 - Size: M - Material: Nylon, Polyethylene - Thickness: 90 microns - Structure: 5-layer - Strength: 1.4 times stronger - Testing: Passed 4 tests by a professional organization - Supervision: Supervised by both a travel professional and a storage professional Thank you for viewing.