Silicon Camera Speedlite White Yellow Blue for Canon 430EX Digital Dslr Speedlight Flash Dome Light Soft Accessories MATERIAL SILICONE, withstand higher temperature of the flash light than plastic. NEVER SCRATCH, it is soft, do not scratch your canon speedlite or yongnuo speedlight. Use the diffuser by placing it flush against the front of the lens and exposing through it. Diffuse the flash light. Professional flash accessories Suitbale Speedlite: Canon430EX Colour: White Yellow Blue