DescriptionThis item is a set of 24 blackboard erasers, made of EVA and felt clothmaterial, high-quality and durable. It can be used for whiteboard, blackboard, and so on. It is portable and washable for long time use. Choose it for you.Features-Color: Red, Yellow, Blue, Green -Material: EVA+ felt cloth -Size: About 5.00X5.00X2.00cm/ 1.97X1.97X0.79in -Made ofhigh-qualityEVA and felt clothmaterial, durable and practical for long-lasting use.- A great helper formanagers, teachers, students and children.- Widely applied in school, home, office, office buildings, training institutions, etc.- Suitable forwhiteboards,blackboards,and so on.- Reduce dust and avoid harm to the respiratory tract.