Leather Wet Mold DIY, Corter Bag, 4 pc SetDIY Leather Wet Mold for the Corter Bag Sizes: Small 5. 75" x 7. 5" Large 7. 5" x 10" This is a double depth wet mold used to make a traditional cross body saddle bag. We use 1" thick marine grade plywood. It is unlacquered and does not need to be lacquered due to the properties of the wood and glue type. We have used many molds hundreds of time for years with no issues! We recommend using 6oz 8oz veg tan leather. If you wish to use lighter weight