These black PET cosmo round bottles are fitted with matching black pumps. The 2 ounce cosmo rounds come with black treatment pumps, while the 8 ounce plastic bottles are paired with standard black lotion pumps. Each pump has a locking mechanism in the neck to help prevent leakage when storing or transporting. These black plastic bottles could be ideal for dispensing any number of products, such as lotion, liquid soap, and gel. Be sure to test these bottles and pumps with your product to ensure compatibility.