1. Material: PU, PVC, TPU.

2. Size: #5, Official size. #4, #3, #2 

3. Weight: 280-430g. 
4, Packing: 1PCS/OPP, 40PCS/CTN, CTN size; 80*40*80cm, 
1PCS/CTN, 50PCS/CTN, CTN size: 50*40*40cm 
5, Custom's design are welcome.