Tubular Frame: 32 MM diameter aluminum frame is sturdy and easy to transport. 6.3 inch base plate. No tools required: Simple snap-together design allows for effortless assembly and disassembly without any tools. Easy graphic replacement: Showcase different images in seconds by swapping out the pillowcase-style graphic covers. Tension Fabric: 230gsm Stretch-Poly Fabric is heat sublimated to showcase images with clarity and vibrancy. Pillowcase design: Simply slip the pillowcase-like pattern over the frame and zipper it closed. The invisible zipper tightens the stretchy fabric and displays your image perfectly.