P-Box is a universal cell phone shipping box, smart phone packaging box. P-Box will fit cell phones between the following sizes: Cellphone Max - 6.75" x 3.5" x 0.5" Cellphone Min - 4" x 2.25" x 0.1875", with extra-large accessories store compartment ( If you choose to use the accessories store compartment. Please make sure they are fit tight by arrangement or install extra paper. Otherwise, they will move everywhere cause in-secure and make big rattle noise during transit ) . Install instructions: install phone into the bubble bag, close and tape the box. Tested and passed all transit shipping requirements.