6 Cavity Wax Tart Clamshell Mould - WAXCLAM6 Pack of 10 Make wax melts and tarts quickly and easily with crystal-clear Clamshell molds. The Standard 6 pc Clamshell holds approximately 70g (2.5 oz.) of wax, and is the most common size in the market. The Clamshells will accommodate high fragrance loads and pour temps up to 180°. They snap securely shut yet remain easy to open. Details: Holds approximately 70g (2.5 oz.) of wax (for all 6 melts). Max label area is 64mm wide 86mm long. Any questions please do not hesitate to contact me.