This vintage OptiVISOR magnifier is a must-have for jewelry makers. The blue headband adds a touch of style while the optical glass material ensures clear viewing. The DA-7 model is perfect for intricate details and the magnifier is suitable for jewelry making. The seller does not provide any warranty but rest assured, this product is made in the United States. The California Prop 65 Warning status is unknown. Get your hands on this OptiVISOR magnifier and elevate your jewelry-making game.