The patterns measure:
C710: Tier #1- 3.5"H x 3.5"W - fits C106 and C109 letters
C709: Tier #2 - 2.8"H x 9.4"W
C708: Tier #3 - 3.5"H x 12.25"W
C707: Tier #4 - 4.25"H x 12.75"W
It is made from durable, 10 mil food-grade plastic.