- The mesh for pool filters are made of nylon. They are simple to handle, easy to stretch and can be reused many times. They help catch dog hair, dirt, oil, leaves, pine needles, small bugs and other debris to keep your swimming pool clean and comfortable. The pool socks are suitable for any size and shape of pool skimmer basket, even spas, hot tubs, jetted tubs and more. KEEPS THINGS CLEAN AND TIDY QUICKLY - Cleaning the pool filter basket is easier with a skimmer socks. When soiled, simply wash with the garden hose and re-use or throw (if badly soiled) The frequency of replacing the swimming with a new is determined by the amount of debris actually filtered. It reduces the number of cleanings and allows us to spend more time with family or friends. SAVE MONEY - The pool filter socks protects the pump impeller from clogging the pool filtration system, extending the life of the filtration system and saving money. Filter sock are great for helping to keep pool skimmer filter running efficiently, preventing debris from clogging the filtration system and reducing the amount of maintenance required for the filtration system. UNIVERSAL RANGE OF USE - These pool socks will fit any size and shape of mesh skimmer basket. It simply stretches this mesh fabric over your pool leaf skimmer or pool skimmer baskets and fits perfectly. Reminder: the swimming pool skimmer baskets is not included in the product packaging; make sure you place the pool filter sock in the basket and not on the outside of the basket; do not use the basket while the chlorine tablets are dissolving in it, this will corrode the skimmer sock. Material: nylon colour: As Shown Package Contents: 30 x pool filter socks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.