Wag.com Collars Harnesses & Leashes items include more than 1260 products - from dogIDs to Tracker. You will consistently find that our prices are among the lowest in the industry. We do not yet offer guaranteed overnight shipping, although many areas of the country do receive their orders the next day. Note that some items, including those shipped directly from the manufacturer, will take longer to arrive; ship times for these products will be noted directly on the product detail page. We do everything possible to ensure that your shopping experience is hassle-free, fun and rewarding.