Specification:Material:PVCWeight: 8gQuantity: 10pcsFeature:100% brand new and high qualityEnvironmentally friendly materialWrite smoothly and pass the SGS testEasy to wipe off with wet clothUsed as writing pens， liquid chalks， glass markers and so onSuitable for drawing or writing on chalkboards， glass， windows， etc.Included:10 x Liquid Chalks