Offer valid on any two individual boxes of mini bars when you enter promo code MINISPRING in the Online Store through April 27, 2019. While supplies last. You must enter promo code exactly as shown at checkout to redeem. Not applicable on prior purchases and no rain checks. Excludes value packs. Not available in WW Studio locations. Cannot be redeemed for cash. Offer may expire without notice due to error, fraud or other unforeseen circumstances.