Order this 3M Drywall Sanding Sponge – Fine/Medium Grit for delivery. Ideal for moderate sanding and smoothing of joint compounds. Flexible sponge can be used to sand flat or contoured surfaces. Dual grit – medium Grit to remove, fine grit to smooth. Best for detail sanding of small to medium areas. Conforms for easy use. Rinse and resuse for longer life. Made from durable foam. Block shape makes it easy to hold. Suitable for wet or dry sanding. Can also be used to sand surfaces such as wood, metal and plastic. Mineral color will not discolor the sanding surface. Recommended for use with 3M Personal Safety Products. Fine/medium grit.