The mesh filter bag is made of polyester material, safe for putting into water. It will protect your waterfall pump or swimming pool pump from most debris rubbish damage, prolong the '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: 45.00X45.00X0.50cm/17.68X17.68X0.20in - Mesh filter bag is perfect for pond debris filtration, mesh prevents debris from getting into the pump to damage or clog it, minimizing pump maintenance. - Made of knitted mesh materials, sturdy and durable; easy to clean and store. - It is easy to use with a convenient drawstring design. - Put the pump in the media bag and tighten it to keep the pump secure in the bag. - This pump bag is suitable for most pumps which are placed in the tank, pond, aquarium or other occasions. Package list: 2 Pump