What Size Wood Glider do I need?

What size Wood Glider do I need?

8" Mini Tray ---> Small Wood Glider

9" Mini Tray ---> Small Wood Glider

11" Mini Tray ---> Medium Wood Glider

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9" Classic Tray ---> Small Wood Glider

12" Classic Tray ---> Medium Wood Glider

15" Classic Tray ---> Large Wood Glider

18" Classic Tray ---> Extra Large Wood Glider

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8" Deep Dish Tray ---> Small Wood Glider

11" Deep Dish Tray ---> Medium Wood Glider

15" Deep Dish Tray ---> Large Wood Glider

20" Deep Dish Tray ---> Extra Large Wood Glider