8X5 boxes that fit into a priority med flat rate box

Making 3 of these boxes will all fit into a priority medium flat rate box.

Lid 10 1/8” X 7 1/8” (1)

Box bottom 8”X5” (1)
Box long sides 8” X 6 1/2” (2)
Box short sides 6” X 6 1/2” (2)

Mats
Lid top and bottom 7 3/4” X 4 3/4” (2)
Box long sides 7 3/4” X 3 3/4” (2)
Box short sides 4 3/4” X 2 3/4” (2)

Lid long sides 7 3/4” X 4 3/4” (2)
Lid short sides 4 3/4” X 3/4” (2)

priority