Features: High quality PVC prevents bending. Durable and no spikes With standard threaded base Functional Tool: Our open caulking tube has a good sealing effect which can keep your sealant fresh and prevent air and moisture from entering the caulking tube or bottle. Versatility: These caulk sealants are suitable for almost all sizes of caulking tubes plastic bottles adhesives or any other items on your shelf and are versatile enough to be used in your life After the sale: We guarantee you a good shopping experience. Please do not hesitate to contact us first if there is a problem and we are always here to assist you. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: As picture show Material: PVC includes: 20PCS/ 50PCS/100PCS Sealing Nozzles Caps "