The ventilation layer of the dust bag filters different levels of dust and debris to provide maximum capacity and durability Improves the elasticity of the to prevent them from falling off when handling dirt, dust and hair It can remove 99.9% of fine dust particles, protect the air in your living environment and ensure the life of the vacuum cleaner 100%Made of high-quality materials, environmentally friendly materials, soft and durable to use. Easy to install and remove, no need to spend more energy and time. Compatible with model: for W2 Size: 187 x 135 x 157 mm Material: Non-woven fabric Color: White Package Contents: 12 x Dust Bag Only the above package content, Other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.