China factory custom clear plastic display watch box with sponge CPK-SP-6816
Sponge boxes are used to protect products during transportation, processing, testing and assembly.The sponge boxes are comprised of plastic boxes with sponge. The main material is EVA、PU、EPE、IXPE etc.In the case of strong shaking or vibration, the sponge box can ensure the product damage is minimized. Sponge boxes are used in a wide range of fields such as optical materials, optoelectronic devices, semiconductors, optical communications and other industries.
We can choose the appropriate sponge packaging and design the sponge aperture for you according to your requirement.