Hello, dear customer! You can check Christmas sale rules from Huskyboost.com boosting company here :
Christmas sale will continue until 1rst February 2019
Also if you have discount code from us – you can use it for Christmas sale boosts still, and summ it to christmas discount. If you have 10% discount code, you can upgrade 20% Christmas discount to 30% discount.
Attention! Many boosts have already decreased sale price, for sale boosts Christmas discount is 10% and if you have discount code you can upgrade it to 15%