Terms & Conditions: You will receive an email confirmation shortly after you've successfully entered the sweepstakes. By providing your email, you are opting in to receive marketing and promotional emails from Birchbox and our prizing partner. Winners will be notified within 24 hours of the end of the entry period. Winners must claim their prize within 5 business days of notification. Full Terms and Conditions here. Offers are available weekly starting on 1/9/2017 through 1/30/2017.