Size Information: The length of the nozzles is about 10.5cm/4.12in, and the length of the red cap is 4.5cm/1.77in. High Quality: The nozzle seal set is made of high quality plastic, thornless, safe, durable and reusable. Package Information: 10 pieces white nozzle seals and 10 pieces red nozzle seal caps, enough quantity to meet your daily needs. Functional Seal Set: Extends the life of used or opened ink cartridge, prevents hardening and reduces waste, and the tight cap prevents hardening inside the nozzle. The nozzle applicator tip can be used to fill gaps, wall tiles, floor tiles, floors, etc. Thread Design: With standard threaded base, easy to replace. Additional silicone cartridge nozzles with screw.