The 6 oz Amber Glass Boston Round Bottle with Black Cap provides UV filtering properties perfect for protecting light-sensitive materials. Perfect for housing virtually any solid or liquid. Bottles are packaged in reusable boxes with internal dividers to protect from damage. Includes a 24-400 Black Polypropylene Ribbed Cap with foam liner. Bottles are packed in reusable reshipper cartons with internal corrugated dividers that protect from damage during storage and shipping.