Suitable for: Replacement tools for sealing nozzles are well suited for trimming sealing lines and sealing lines; . You can do most silicone work and are suitable for most edges, corners and seams Material: nozzle covers are made of plastic, are durable and reusable, thornless and safe and can be used for a long time Easy to use: sealing nozzles are applied in connection with silicone resin, sealing material, frankincense, sealing glue, etc. Package: The package contains 20 white nozzles and 4 yellow nozzles.A sufficient amount can cover your needs and replacement Application: The replacement sealing applicator can be used to seal baseboards, sealing doors and windows, for sealing bathing rooms and plumps, etc. Material: plastic colour: white+yellow Package Contents: 20 x white nozzles 4 x yellow nozzles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.