These stamp sets provide up to 25,000 impressions before re-inking. 1 1/2" x 1/2" each. 3/Set. Set #1 contains "Please Sign & Return", "Great Job", and "Nice Work". Set #2 includes "This Work Teacher Assisted", "Review & Sign", and "Please Review With Your Child". Set #3 contains "Brilliant", "Terrific Effort", and "This Belongs To". Set #4 includes "Please See Me", "Much Better...Keep Trying", and "Great Improvement".