Medium Size Band Sample Kits (2-1/2" to 4" flat length) contain these sizes:

#275A (2-3/4" x 1/4" x 1/32")
#18 (3" x 1/16" x 1/32")
#32 (3" x 1/8" x 1/32")
#63 (3" x 1/4" x 1/32")
#73 (3" x 3/8" x 1/32")
#83 (3" x 1/2" x 1/32")
#19 (3-1/2" x 1/16" x 1/32")
#33 (3-1/2" x 1/8" x 1/32")
#64 (3-1/2" x 1/4" x 1/32")
#74 (3-1/2" x 3/8" x 1/32")
#84 (3-1/2" x 1/2" x 1/32")
#94 (3-1/2" x 3/4" x 1/32")
#35A (3-1/2" x 5/8" 1/16")
#4A (4" x 1/8" x 3/64")
#4B (4" x 1/4" 3/64")
#4CA (4" x 3/8" x 3/64")
#104 (4" x 5/8" 1/16")