Clamshell (container)

Empty clamshell package
Clamshell pack of screws
Paperboard clamshell for fast food
PETE plastic egg carton for 24 eggs

A clamshell is a one-piece container consisting of two halves joined by a hinge area which allows the structure to come together to close. Clamshells can be made to be reusable and reclosable[1] or can be sealed securely.

  1. ^ US 6227369, Glassman, Ellen Tave, "Clamshell package including both permanent and resealable fastening structure", published 2001-05-08, assigned to Sony Corp. and Sony Electronics Inc.