Educational Insights See & Stamp Jumbo Alphabet Stamps - Lowercase (20 Pieces) No more guessing! Transparent stamps actually let you see what you're stamping so you can stamp in just the right spot. Set includes 1 each of lowercase letters and durable plastic case for neat and tidy storage. Each jumbo stamp measures 1" high. Sets are packaged in a handy plastic storage case. Use with Washable Jumbo Stamp Pad (sold separately).