Evelots Sturdy Spring Clamp Set Perfect for Photos Home Improvement- Set of 18 Perfect for Art Projects: Plastic spring clips are great canvas clamps for photography, fabric backdrops and green screen, painting and other craft projects. Adjustable: The orange endpoints pivot to grip odd-shaped objects, materials and angles. Strong & Durable: The spring mechanism keeps muslin clamp tight, making it strong enough for any project! Grip clips are made of hard, textured plastic for durability and longevity. Textured handles help to give you a better grip and more control. All Sizes: Set of 18 includes 6 large and 12 small clamps to tackle any job. The large clamps measure approximately 6.25 inches in length and open to about 2 inches. The small clamps measure approximately 2.5 inches in length and open to about 1.5 inch. Trusted vendor. For years Evelots has provided unique products with a 30 day easy return policy, and 100% satisfaction guarantee.