For pro pink with foam 400/600 grit mini board features fine 400 grit on one side and ultra-fine 600 grit on the other side. Construcounted of the finest 3m materials. Mini size great for touching up on the go. 400/600 fine/medium buffing. 400 side can be used to shape and smooth soft natural nails while 600 side buffs for a beautifully finished shine. Pink. 3 1/2 inch x 1/2 inch. 50 count. Great for travel. 400/600 fine/medium buffing. Naturally, shape your nails.