Uxcell 10-Piece Fish Tank Isolation Net Bags, 210mm by 140mm, Black White Product Name : Aquarium Isolation Net Bag; Material : Nylon Color : Black, White; Mesh Hole Diameter : 2mm/0.07" Size : 210 x 140mm/8.2" x 5.5"(L*W) Weight : 57g Package Content : 10 x Aquarium Isolation Net Bags