The B263 is a 16 oz clear PET plastic french square bottle with 38-IPEC neck finish. French squares are often used for beverages (the larger sizes) or for spices, salts, powders, siftable products for the kitchen or personal care. The french square is an elegant and classic bottle. It is square shaped (four-sided) with relatively all square angles. All the edges have been rounded. These containers can be fitted with a full wrap label (typically must be manually applied) or with a label on the front and/or back. Polyethylene terephthalate (PET) is marked with the resin identification code of 1. PET is of the polyester family and has high clarity, good chemical resistance, high impact resistance, and medium rigidity. PET is also light-weight and is used for products containing essential oils. Avoid using PET containers to store products that contain essential oils greater than 5% or fragrance oils greater than 15%. If your oil percentages exceed these respective levels, please consider using glass. This item has a 38-IPEC 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 clear, making it an ideal display container for your product.