1. Material: sulfuric acid paper 2. Function: Eliminate shadows, enhance details, soften light 3. Applicable scenarios: product photography, photography studio tools 4. Tapered design, good light focusing effect 5. Medium: 120 x 15 x 130mm, Large: 120 x 50 x 130mm, Extra Large: 180 x 50 x 200mm. Lighting steps:1. Buckle up the diffuser 2. Shoot from the small hole above 3. Clean and translucent, soft light