One size. 

Skill Level:  3 - Average Difficulty

Sew up this incredibly portable garment bag for your travel needs.  This bag folds up so that it can be carried with a clip-on padded shoulder strap or be carried as a backpack.  The bag has a double zipper closure, with two outside zipper pockets on bag sides for small items.  There are also inside pockets for extra storage.

Finished Size:
Main Bag:  42-1/2" long x 21" wide x 2-1/2" deep
Bi-fold Bag: 13" long x 21" wide x 10" deep
Tri-fold Bag: 21" long x 21" wide x 7-1/2" deep

Fabric Suggestions:
Main Fabric - heavyweight waterproof fabric
Pocket Lining - lightweight waterproof or water-repellent fabric
Strap Padding - 3-5 oz. polyester needlepunch

Fabric:                           45"            60"
Main Fabric .................    2-7/8 yd    2 yd
Pocket Lining .............    3/4 yd       3/4 yd
Padding (optional) ...    3/8 yd      3/8 yd

Notions:
4 yd 1" Webbing, 1-1/4 yd 2" Webbing, seven 1" Side Release Buckles, 5-5/8 yd #5 Coil Zipper, fourteen #5 Zipper Pulls, one 2" Loop, six 1" D-Rings, two 1/2" D-Rings, 1/8 yd 1/2" Webbing, 1/2 yd 1/4" Shock Cord, two Shock Cord Hooks–pressure-fit, one Seam Sealer, Polyester Thread (webbing color and main fabric color), forty Rivets; Optional Straps:  1-7/8 yd 1" Webbing, two 1" D-Rings, three 1" Snap Hooks, two 1" Double Bar Snap Hooks, one 1" Side Release Buckle, one 1" Slider.