The B008NT is a 4 oz natural HDPE plastic cylinder round bottle with 24-410 neck finish. Cylinder bottles have sharp square shoulders and a square base. High density polyethylene (HDPE) is marked with the resin identification code of 2. HDPE has a high tensile strength, good resistance to chemicals, good impact resistance, highly rigid, and highly scratch resistant. This item has a 24-410 neck finish. The first number refers to the diameter (in mm), and the second refers to the closure depth, style and thread. This container can be paired with a closure with a matching finish. This container is an opaque natural, and well-suited for products with contents that don't need to be displayed. This natural container is an excellent canvas for a label or print.