1. The ventilation layer of the dust bag can filter dust and debris of different grades and has good durability. 2. Enhance the elasticity of the dust bag to reduce the risk of it falling off when dealing with dirt, dust, and hair. 3. It can remove a high proportion (about 99.9%) of fine dust particles, improve the air quality in the living environment, and extend the service life of the vacuum cleaner. 4. It is made of quality materials, which are environmentally friendly, soft in texture, and durable. 5. It is easy to install and disassemble without excessive energy and time consumption. 6. Compatible models: Suitable for Alpha2 Pro. 7. Material: Non - woven fabric. 8. Color: White. 9. Package contents: 12 dust bags. 10. Only the above package contents are included, and no other products are provided. 11. Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual one. The allowable measurement error is +/- 1 - 3 cm.