About product and suppliers:
            576 open clamshell products are offered for sale by suppliers on Alibaba.com, of which blister cards accounts for 1%, packaging cup, bowl accounts for 1%, and plastic vacuum forming machines accounts for 1%. 

A wide variety of open clamshell options are available to you, 

There are 670 suppliers who sells open clamshell on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Hong Kong S.A.R., from which the percentage of open clamshell supply is 96%, 1%, and 1% respectively. 

Open clamshell products are most popular in United States, United Kingdom, and Australia.