DURABLE -- professional nail buffer block is great at sanding the nail surface to make smooth finish surface, The inside material of the nail buffers is a very dense sponge.WIDE APPLICATION -- Upgrade durable Salon quality blocks suitable for fingernails,4 SIDES WHITE NAIL FILE BLOCK -- the inside material of the nail buffers is a very dense sponge and it has an extremely fine sanding on the 4 sides, convenient to use.HIGH QUALITY MATERIAL -- Our nail buffer block is made of high quality elasticity sponge which is durable and safe, which is eco-friendly material, odorless, non-toxic and harmless, washabletoenails, natural nails, acrylic nails and false nails,never deform or falling apart even hard extrusion or 360 degree twistDelivery Quantity: 10pcsPackage Contents: Only the above package contents, excluding other products.Size: 9.5*2.5*2.5cm(Reminder: The size is measured manually, please allow 1-2 cm measurement error)color: White(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)