1) Waterproof silicone slap watch 2) RoHS,SGS & CE 3) size:23cm x 2. ... .50 5) any colors are ok Promotional OEM Waterproof Silicone Slap Watch Profile1.Material:100% silicone2.colors: white,black,red,yellow ... .silicone with steel tape,easy to wear,suitable for any wrist 5.non-toxic,no irritation,good durable and suitable price6 ...