... 1.laser tube:CO2. 2. CE Certificate Ledio Stamp Materials SpecificationsFlash Stamp, flash stamp material,office stamp 1. Size: round, oval, square and rectangle ... ,and having four different styles, Round, Oval, Quadrate and square.stamp material has several different colors and designed as customer's ... to thickness of 7mm flash pads/ foams. Samples: Ledio Flash Stamp materials