Generous Quantity: pool cleaner climbing rings, allowing for efficient cleaning of replacement needs; This abundance allows you to share them with family or friends to have a delightful summer experience; These rings are an essential part of climbing ring replacement for robotic pool cleaners Design: the climbing rings replacements in outer diameter, inner diameter and thickness before soaked; These dimensions provided are in a dry state, and they might vary when soaked in water; The climbing rings should be stored in a dry environment when not in use Effortless Installation: before using the climbing rings replacement for robotic pool cleaners, completely soak the climbing rings in water until they fully expand; When installing, please handle them gently and slowly, place them in the correct space within the rollers Wide Compatibility: crafted with your pool cleaner in mind, the robotic pool cleaner replacements, functioning seamlessly with a wide range, are compatible with M200, M400, M500, DX3, DX4, DX6and others Experience : made of quality PVA material, these robotic pool cleaners climbing rings are not easy to break and have a long service life; They can better assist your robotic pool cleaners in doing efficient work, ensuring the safety of your pool. Material: PVA colour: White Package Contents: 4 x pool cleaner climbing rings 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.