This Kilner Clip Top Preserve Bottle has been specifically designed for preserving oils and juices. It is ideal for infusing olive oils, vinagrettes and salad dressings. You could even store homemade cordials! The plastic cap and airtight seal make them leak proof and re-fillable. The Kilner brand is printed on the front of the bottle. Please note - these bottles are not suitable for storing carbonated liquids or active mixtures that could result in a build up of gas.