Spend $35 or more on full-size products at Birchbox and get this Mystery Sample Pack, $10, for free, when you add it your cart. In example, purchase this Kate Spade Saturday Circle-Around Bracelet, $35, to get the pack for free. Shipping adds $5, but is free with coupon code BBSHOP at checkout. We couldn't find the necklace anywhere else for less. It features 16 flat metal circles. The pack includes one deluxe sample and one standard sample as selected by Birchbox. Sample packs vary per customer. Please note that you must add this pack to your cart to get it for free. There is no sales tax (except MA, NJ, NY and VA).