Sport Replacement Silicone Watch Band Wrist Strap for Vivofit JR Junior Tracker 004 worth to buy? Thanks for it if those of you who have purchased Sport Replacement Silicone Watch Band Wrist Strap for Vivofit JR Junior Tracker 004 could share about what you think of the product. I would love any extra info, as it is quite pricey as $12.55 and I just want to know it is good before paying for it.