1.blackboard meterial is MDFand wooden 2.differents sizes is available 3.passed ISO9001 Disney 4.delivery is quackly 1.Metarial is MDF2.Differents Sizes are available3.A set with chalk and earser4.Can be written constantly and earlier be wipped off5.Oil  iswater based oil paint, on-toxic and environmentally friendly, according to customers requirements for different shapes.6. NO Small,fine workmanship,It is apply to school, family, children7.Our products are sold in Britain, America, Japan, ...>>more