Our 4 oz Blue Glass Boston Round Bottles are the perfect way to package a variety of products including fragrance oils, essential oils, creams, lotions, herbal remedies, body sprays and specialty products that are light sensitive. These popular Blue glass bottles will provide your products with a high quality, professional and sophisticated look. Possessing a 22-400 neck, we have many cap options available for these bottles so that you can create a unique, one-of-a-kind look for your products.