What is Avalai?. Avalai is a subscription box catered to your period that lets you choose the products you know and love, places all the teas, treats, and a handcrafted spa product sure to pamper your period. Avalai is more than a service, it is a family. The monthly gift you actually want. All the product you need, the goodies you want, starting at 13 bucks. A generous amount of supplies and goodies sure to please. Stop running to the store last minute, we got you. Can you put a price on peace of mind? if so, how about 13 bucks?.