YG_Oline Aquarium Filter Sponge Material Review

Package includes: 3 pcs black aquarium filter pads, we use compressed packaging for better transportation. Material: made of sponge, soft and can be reused after washing. Size: the size of each aquarium sponge is 7.5" x 4" x 2.75" / 19.3cm x 10cm x 7cm, each aquarium sponge when compressed is 7.3" x 2.75" x 0.87" / 18.5cm x 7cm x 2.2cm. Application: suitable for fish tanks, aquariums, ponds, ideal for homes, offices, schools, shops. Features: easy to use and convenient. the sponge will expand slowly when air enters the bag, you can help it recover by pulling on the sponge.