Educational Insights See And Stamp Jumbo Uppercase Alphabet Stamps 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 uppercase letters and durable plastic case for neat and tidy storage. Each jumbo stamp measures 1" high. Packaged in a handy plastic storage case! Use with Washable Jumbo Stamp Pad (sold separately).