Stock number 3CPLW0331PW is a continuous thread 33-400 White Metal Cap with a Plastisol Liner. This closure has ridges along the side and a smooth top. Plastisol lined caps are the perfect option for hot-fill processes. After the non-removable plastisol liner is heated/warmed from the product temperature, it will solidify and create an airtight, hermetic seal. To ensure compatibility, please request a sample for testing. Pair this closure with any of the compatible jars/bottles below for a finished product.