5X Aquarium Fish Tank Filter Socks Drawstring Bags Breathable Filtration Socks 

Please allow 1-2 cm discrepancy due to different measurement method.

Size(width*length): 4.7*9.8 inches/12*25cm, 5.9*13.7inches/15*35cm, 7.8*13.7 inches/20*35cm, 11.8*15.7 inches/30*40cm

Material: polyester

Color: white