All varieties of Bubly are sugar-free and claimed to contain no artificial sweeteners, composed only of sparkling water and natural flavours.

[2][3] The initial line-up of bubly consisted of lemon, lime, orange, grapefruit, strawberry, apple, mango, and cherry flavours.

Bubly bounce is produced in mango-passion fruit, blueberry-pomegranate, triple-berry, citrus-cherry, and blood orange-grapefruit varieties.

[6] In 2023, Bubly introduced a line of dessert-inspired sparkling waters, comprising orange cream, key lime pie, and lemon sorbet flavours.

In March 2024, PepsiCo introduced a new Bubly Burst beverage line, which contains fruit juices that provide a stronger flavour and colour than their regular counterparts.