(1)Material: 100%silicone for sport digital watch (2) Any color and size are available, Restores important ion balance, helps recovery from sport fatigue, Normalizes physiological functions, help relax tense muscles ; (3)Embossed /Debossed/printing logo on bracelet ; (4) Ultra light weight (10gs only), ergonomic design, we can match any PMS color for Ion ion sport watch. (5)1AM waterproof and dust proof ideal for promotion gift. (6)CE certification and RoHS certification can be supplied