15 ml pink straight sided double wall jar with 40-400 neck finish. this is a great light weight, semi-rigid option for a wide array of products. This plastic is strong and impact resistant as well as high clarity to showcase and protetc. your product. Typically used for creams, lotions, hair products, personal care, skin cleansers, gel and others. Avoid using this jar for products that contain more than 5% essential oils. If your product contains higher percentage of essential oils or fragrance oils, please consider using another material such as glass. As always, remember to test your product with this packaging to assure compatibility.