【Thickened Material】 These vacuum bagsfor storage are made of PA+PE material. The thickness of the vacuum bag is increased to 100 microns instead of 75 microns. Thicker bags are more durable. 【Airtight Bags Do Not Leak】: Our Unique Double-Zip Seal and the Triple-Seal Turbo Valve are designed to get every ounce of air OUT of the bag in the suction process, fine design of zip seal helps vacuum storage bags prevent air leakage even in the process of moving, such as traveling, house moving 【Free Hand Pump Package】: Freehand pump is more convenient for travel. At home, any other vacuum pump, such as a vacuum cleaner, an electric air pump, and a manual air pump can be used to remove each ounce of air from the bag. 【Perfect Clothing Organiser】 Made of non-toxic materials, it can prevent dirt, water from attacking your duvets, clothes. Keep your items fresh and dry. 【6 Different size】Meet your various needs to store different items, keep clothes, quilts, pillows, duvets, bed sheets, towels, blankets well organized. Besides, you can also keep vacuum bags in included fabric bag when unused.