... imune function.3,Light weight,variety colors ,fashion design,water resistance (1-3ATM)4,Negative ... good quality.11,This is a silicone wristwatch, sport watch, fashion watch, minus ions watch ,bracelet ... Silicone injection machine, Silicone rubber Kneader Machine2. Machine: CNC turning, milling, drilling, grinding3. Printing: Embossed, Debossed, Silk screen printing, Laser, Imprint silicone wristband ...