Product Description: Color: White Material: plastic, gauze Size: S/L S: app.16x14.2x16cm/6.30x5.59x6.30in L: app.26.3x15x16cm/10.35x5.91x6.30in Quantity:1Pc [usage]: 1. Insert four columns into the four corners of the upper and lower frames and combine them. 2. Cover the whole box with fine mesh from bottom to top. 3. Assemble the four suction cups on the convex shaft of the frame. 4. Put the water isolation net into the water to make the suction cup adsorb on the glass, and the water level should not exceed the upper frame. [function]: 1. It can isolate young fish or sick fish. 2. For breeding of ornamental fish 3. This product is self floating and can effectively isolate tropical fish. This net hatchery attaches easily to the top of your aquarium with the included suction cups. Fry tank, constructed of soft polyester mesh and plastic frame. Separate fighting fish and weak fish to improve the survival rate of farmed fish. The fish tank nursery room safely separates newborn fry from other fish and improves the survival rate of juveniles. Large in size, it can hold more fish.