The pump filter bag is made of polyester material, safe for putting into water. It protects your pond pump or swimming pool pump from most debris rubbish damage, prolong the Pump machine's service life. This pump bag is suitable for most pumps which are placed in the tank, pond, aquarium or other occasions. Features -Color:Black -Material:Polyester -Size: 41.00X31.00X0.10cm or 16.11X12.18X0.04in - Pump filter bag is perfect for pond debris filtration, it prevents debris from getting into the pump to damage or clog it. - Made of mesh polyester materials, it is sturdy and durable, tear and wear resistant for long time of use. - It is easy to use with a convenient drawstring design, which makes it easy to install and remove. - Using a pump filter bag effectively protects your pump, and prolongs its serving life. - This pump bag is suitable for most pumps which are placed in the tank, pond, aquarium or other occasions. Packing list: 2 Pond Pump Filter Bags