Covers Material: Tension fabric. Simply pull the backdrop cover over the frame and it has zipper at the bottom. The tension will remove any creases. Covers are machine washable at 30 degrees and can be gently steamed to remove any stubborn creases, but please DO NOT iron. Size of the metal frame: Left: 3 ft W * 6 ft H(0.9 m * 1.83 m) Middle: 4 ft W * 7 ft H(1.2 m * 2.12 m) Right: 3 ft W * 6 ft H(0.9 m * 1.83 m) Frame Material: aluminum alloy, which is lightweight and easy to carry. And the frame comes with a handbag. Easy to take anywhere. It's super easy to install it within 5 minutes. Compare with metal frames, aluminum alloy ones will not get rusty. Can be reused many times. Please refer to this video to install the set:
