PROTECT POOL FILTER SYSTEM - can protect the pump impeller and avoid clogging of pool filter system to extend the life of filter system. EASY TO USE - Soft and easy to stretch fabric is easy to install on pool skimmers. Even there is the basket handle it's also easily snaps on. The frequency of replacing skimmer sock is determined by the amount of debris actually filtered. - Pool skimmer sock are made of fabric with dense mesh. Thay can effectively filter out hair, dust, oil, leaves, pine needles, little bugs and other debris. ATTENTION - 1. Please be sure to put the sock in the basket not the outdide of the basket. 2. Do not use while dissolving a chlorine tablet in your basket - it erode the sock. USE OBJECT RANGE - fits any size and shape pool skimmer basket, even spas, hot tubs, jetted tubs and more. Colour:White Material:Micro-Nylon Single paving size: 13 x 22cm Package Contents: 100 x Pool Skimmer Sock 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.