These adjustable mitten blockers are great for knitters who frequently wash and block mittens. They are sold in a pair that you assemble according to the size you need. Adjusts to fit small, medium, and large mittens Disassembles for convenient storage and portability Triangle top piece can be used for blocking pointed mittens Tighten and loosen screws easily using a small coin Great for blocking on the go This item consists of unfinished plywood pieces with sanded edges. If you prefer a more finished surface, we recommend using 320 grit sandpaper to sand pieces with the grain of the wood and wiping them with a dry cloth to remove the sawdust. Product Details: Material: Birch Approximate Size: Adjustable to fit most sizes, package size: 6” x 9” Made from locally sourced birch plywood and hand finished in our studio in Providence RI.