Four-Cornered Truncated Pyramid – Auto Closure (Auto Bottom) – Tuck-In Flap Closure C20.20.60.20 Four-Cornered Truncated Pyramid – Auto Closure (Auto Bottom) – Tuck-In Flap Closure C20.20.60.20 Production Team2021-05-18T21:58:27+08:00 ECMA C20.20.60.20 Four-Cornered Truncated Pyramid - Auto Closure (Auto Bottom) - Tuck-In Flap Closure