Coach Rexy By Guang Yu Charlie Backpack In Signature Canvas NWT. Signature coated canvas and refined pebble leather Inside zip pocket Zip closure, fabric lining Top handle with 2" drop Outside zip pocket Adjustable shoulder straps 10 3/4" (L) x 12 1/2" (H) x 4" (W) About the Creative: Known for his work with major cultural institutions, graphic artist Guang Yu's typographical works offer new possibilities of thinking and design. He founded his creative studio A Black Cover Design in 2015.