40 Clear PET 4 oz Cosmo Bottle with 20-410 neck. Bottle is clear. This bottle looks larger than 8 oz and is easier to squeeze because of its flattened shape.Bottles are great for a wide variety of applications. They are great for lotions, body sprays, liquid hand soaps, body washes and more. SAFE to use fragrance oils in these PET bottles.Each Bag of Clear Plastic Bottles comes with silver aluminum caps. Caps are Aluminum Closure w/PE Liner 4 oz. The clear plastic cosmo rounds are made of PET plastic and are nicely complemented by the silver caps.