Inkadinkado Clear On Clear Acrylic Blocks 2/pkg, Small 2.25" x 1.75", Medium 3.5" x 2.5": * Each set is themed with stamps that you can use individually or together * Create unique cards gift wrap tags fun accents for scrapbooking and more! Each stamp set includes 2 storage sheets that hold your stamps then fit neatly inside the plastic package sleeve * Store in a standard small ring binder * A simple soap-and-water washing of the Stamp and Block will restore their clingability * Approximate sizes of the blocks are smaller size: 2-1/4" x 1-3/4 and larger size: 3-1/2" x 2-1/2