Extra Large Swim Cap For Dreadlocks & Braids Protect Ears Long Hair Swim Hat Condition:Brand New Material:Silicone Size:as picture show Color:Black,White,Blue Package include:1Pc Swim Cap The caps are made from 100% silicone and just like any swim cap, if you completely submerge your head a little water may seep in under the edges. For the most part, your dreads will remain dry and any wetness that may occur will dry quickly.