Material: plastic; size: approx. 110 x 88 mm. The high-quality material mix means the cartridges can be easily cleaned and reused. The pool filter element helps to remove dirt and ensures clean and clear water. The swimming pool filter is compact and lightweight, can be easily transported together with the inflated pool, does not take up much storage space, perfect for travel or when storage space is limited. Bag: a pack of 3 premium filter cartridges