CLAMSHELL CASE. The budget friendly alternative to safely store your glasses. Classic, indestructable and reliable. This case is made out of 2 steel covers and closes by a spring-action hinge. Watch out for your fingers! The CLAMSHELL CASE comes in two different versions: in Greenish Canvas with HEYELANDER logo (HC0401), and in Greyish Canvas WITHOUT LOGO (HC0402). Size: L: 16,0 cm, W: 6,0 cm, D: 3,0 cm.