Feature: 1. Pop-up backdrop allows setup in a few seconds. The double-sided design provides green screens for more flexibility in use. 2. Spring steel liner flexes out to hold the material tight, has a spring loop folding design for easy storage and transportation. 3. Thickened protective binding. Full elasticity of spandex, no wrinkle, more durable. Specification: Features: Pop-up backdrop allows setup in a few seconds. The double-sided design provides green screens for more flexibility in use. Spring steel liner flexes out to hold the material tight, has a spring loop folding design for easy storage and transportation. Thickened protective binding. Full elasticity of spandex, no wrinkle, more durable. Back waist is fixed on the chair, which can realize the photo of the certificate taken by the office. Ideal for vlogging, TV broadcast, gaming, portrait/product photography, and more. The Background Panel can be folded down and fits into this handy zippered carry bag for practical storage or transportation. Specification: Material: Muslin Diameter: 75cm, 110cm, 142cm optional Shrinkage diameter: 30cm / 40cm / 50cm Package List: 1xBackground 1xOxford pocket Package List: 1xBackground 1xOxford pocket