Assorted Grit Sanding Blocks: the package contains 48 drywall sanding sponges bulk, 60/ 80/ 100/ 120/ 180/ 220 grits, 8 for each grit; The sufficient quantity and flexible sizes can fully meet your needs, bringing you convenience and efficiency Sanding Sponges: our sanding block for wood measures . 4 inch x 2.75 inch , portable and easy to hold, making it convenient to grind surfaces; It is also designed for damp and dry dual use and can be applied directly in water Quality Sandpaper Blocks: our sand sponge is incredibly flexible, elastic, and long lasting without ripping; The sanding block has good toughness, and high plasticity, and is difficult to rip; The sand 't fall off, and the surface is not cracked Washable and Reusable: our sand block is reusable and can be easily cleaned and applied multiple times; You can cut it into pieces to grind any corner; The water storage function makes sanding sponges reduce flushing and increase work efficiency, they can be applied directly or wet on the surface of the object for polishing Versatile Usage: sandpaper sponges are suitable for home improvement projects, metal polishing, woodworking, furniture finishing, and other polishing projects; As the grit number is printed on both sides, you can easily identify coarse or fine sponges; They are doing well on flat, edged, and contoured surfaces. Material: sponge colour: As shown Package Contents: 48 x Sanding Sponge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.