As one of the most professional plastic box manufacturers in China, HLP vacuum formed packaging manufactures stand-alone thermoformed packaging, like blisters and clamshell packaging, as well as vacuum-formed trays to be used as inserts in clear plastic boxes and HLP Klearfold Keepers. Clear vac-trays within clear boxes position the package contents securely, create exciting aesthetics and the illusion of contents floating within the clear box.