What material do these plates use?
Urethane and Stainless Steel.
For how long time is the Warranty？
We guarantee the plates rubber and structural quality for 10 years use. It does not include printing or other design aspect of the plates.
What's the difference between ZKC IWF DSB Competition Plates and ZKC IWF Competition Plates?
The DSB stands for Dead-Second-Bounce, these plates stop at the 1st bouncing if they are dropped from a horizontal position. DSB Competition Plates are made in PU, and the Competition Plates are made in rubber. These are the 2 main differences between them.
Why the DSB Competition Plates don't have customized printing option?
The DSB Competition Plates have raised logo and script, that's why the customization is not available.