Size Dimension 962525cmPcs Canvalite professional nail buffer block is great at sanding the nail surface to make smooth finish surface while removing grease and left slightly rough on nails to make gel polish stick firmly and stay longer Higher Elasticity Rougher Grit Upgrade durable Salon quality white blocks for nails never deform or falling apart even hard extrusion or 360 degree twist Quick nail prep for all nail types with rougher surface Long Service Life These nail file block are not for lowcost nail beginner kit made of ecofriendly material odorless nontoxic and harmless washable surface of the nail buffer can be reused for long service life Nail Brush Stylish professional nail art tool durable and soft delicate fibre easily help clean nails dust after filing provide you a comfortable nails cleaning experience