Tmall platform had a 1.2% growth in bottle sales in December. The importance of higher end products above 300 yuan is highlighted by their growing average prices ( a 1.8% rise, the largest increase). 

The in-demand product under this category is the Shixi Glass Milk Bottle Gift Set - featuring an innovative air valve and three stages of different flow speeds to avoid choking incidents with an average transaction price of 396 yuan.