Soft-Kut Printing Blocks are approximately ¼" thick — enough to allow both sides to be cut, thus providing two printing surfaces per block. Cut any size block into smaller pieces with scissors, a knife, or a paper trimmer to use it for rubber stamping! Soft-Kut Printing Blocks are also latex free. Soft-Kut Printing Blocks are meant for use with water-base block printing inks only. Solvents will ruin these blocks.