Shoe Membrane InstallationFirst step: Pick up a roll of shoe membrane, and place the shoe membrane with the shaft inside onto the retaining groove ( be careful to put both sides of the shaft onto the groove. )Second step: Pull out a slice of shoe membrane and place it onto the spongy cushion, note that the side with glue should be upwards, while another side is downwards, as such, your shoes can be pasted.Finally, cover the lid.Third step: Firstly, please press on the shoe membrane with one foot and pull it backward till reaching the black pedal(be careful not to pull it too long, otherwise it can’t be cut off), and then press the plastic wrap with the front side of your shoes, cut off the wrap. Product Specifications:Size: 58*26*10cm /22.8*10.2*3.9 inch (L x W x H);Capacity: 500 times;Material: ABS engineering plasticShoe cover size: suitable for most adultsPackage Contents: 1 * shoe cover machine500 times use Shoe film *1(complimentary)