Size:(45cm30cm)+(42cm24cm) Hidden zipper: Easy to open and close, will not scratch the washing machine, deform or come apart not when washing. Simple and practical: Ideal for cleaning clothes and shoes, organizing luggage while traveling. Used as stuff sacks, you can fit each bag in luggage, backpacks, etc. HIGH QUALITY: Small mesh allows water to flow through and out without damage the contents. Polyester sandwich construction: The sandwich fabric is made up of three different layers. From the inside out, they are: fine mesh, polyester thread, coarse mesh, anti-abrasion, warping and corrosion.