Reusable Coffee Cup Size Guide

Our reusable cups and travel mugs are designed to match real café drinks, not guesswork. Whether you’re ordering a short black, a flat white, or a large cafe latte, choosing the right size means a better pour, less waste, and the right balance.

XXS 4oz / 118ml - Designed for espresso shots, short blacks, and babycinos

XS 6oz / 177ml - Ideal for macchiatos, cortados, or piccolo lattes.

S 8oz / 227ml - The specialty coffee size. Perfect for flat whites and short lattes.

M 12oz / 340ml - Our most popular size. The café standard for lattes and matchas. If you usually say "regular" at the café, 12oz is your go-to.

L 16oz / 454ml - Great for large drinks, cold brew, or extra milk.

XL 20oz / 590ml - Made for big, iced lattes, quad shots, smoothies, or bubble tea.

Frequently asked questions

What is the most popular reusable cup size?

M 12oz (340ml). It matches the café standard for lattes, cappuccinos and matchas, and is our most-ordered size in the UK.

What size cup do I need for an espresso?

XXS 4oz (118ml). The shortest reusable cup in the range, designed for espresso shots, short blacks and babycinos.

Will my barista pour into my KeepCup?

Yes. KeepCups are sized to real café serves, so a barista can pour your drink in your KeepCup the same way they would in a takeaway cup.