... Silicone waterproof watch 2) RoHS,SGS & CE 3) waterproof quartz 4) eco-friendly, $1.00!0.50 5) interchangeble band Promotional OEM Silicone ... the strap on wrist, it can roll along your wrirst naturally (no buckle needed )Steel bar inside, Silicone outside for ... 5-15 days for mass production, just depend on different quantity orderMeans of Transportshipping, air transport, courier ( UPS, DHL, ...