The Marc Jacobs The Box 20 Colorblock Leather Handbag Unisex Marc Jacobs Crossbody. SKU: M0014506-164. Color: Cotton Multi. Marc Jacobs The Box 20 Crossbody Bag. Multicolour leather cross body bag featuring an adjustable and removable shoulder strap, rubber top handle, an all around zip fastening, signature logo at front, two internal zipped compartments and one interior zip pocket. Dimensions W 7.9"' X H 5.5" x D 2.8". NWOT in Excellent Condition. Original Dust bag included.