Simple and flexible design, made of latex material, these caulk caps are sturdy, can withstand long-time use. These caulk caps are easy to use, with good elastic, possessing nice sealing effect. Caulk caps and piercing needles set can make the and glues fresh, reusable and make them last longer. Features -Color:Assorted Color -Material:Latex, plastic, steel -Size:10.50X1.80X1.00cm/4.13X0.71X0.39in(nozzle) -Size:12.00X1.00X1.00cm/4.72X0.39X0.39in(piercing needle) -Size:1.50X1.50X0.20cm/0.59X0.59X0.08in(caulk cap) -This piercing needles set is a versatile and practical addition to any household or workplace. -The sealant leakproof covers included in this set prevent glue from leaking out of the bucket. -The unclogging needles provided in this set make it easy to clear clogs and keep glue flowing. -This set is suitable for a variety of applications, including diy projects, repairs, construction work. -Compatible with almost all sizes of caulk tubes, plastic bottles, adhesives, sealant tubes, etc. Package list: 6 x nozzle 6 x piercing needle 60 x caulk caps