Nudge Innovations

Nudge Innovations Designing products to solve single-use coffee cup waste, for businesses and users.

07/09/2026

🚨 2 days left of 15%-off deal 🚨

If it's good enough for Ant, is it good enough for you?
🐜👀

Duet: a 600ml water bottle and 340ml insulated coffee cup that click together with a set of hidden magnets, so your empty cup never gets left behind and never takes up extra space in your bag. Practical, considered, built to solve a real daily annoyance.

👉 Swipe to see Duet in action 👉

If you haven't come across us before, we're Nudge Innovations, a Glasgow-based team determined to solve the small daily frictions nobody talks about. If you would like to find out more about us, the link to our website is in our bio. 🔗






03/09/2026

15% off NOW🪩🪅

We're currently running a limited 15% off deal, which ends the 9th of September!

Buy your Duet now so you don't miss out 🫣

Free shipping 🚀 (UK only, sorry!)

If you've not come across us before, Duet is a reusable coffee cup and water bottle that stacks together simply and securely using magnets. The cup lid is stored in the base of the insulated cup, which can hold 340ml (12oz). The water bottle holds 600ml. Both are made from recycled stainless steel and BPA-free plastic.

We're a small start-up based in Glasgow with a focus to design products that make the use of reusable's more convenient. Starting with reusable coffee cups, Duet is one of our two products tackling the issue, with the problem being: no bag space, easy to forget your cup, and nowhere to wash your cup once used. Duet addresses the two former points and our second product, NuWash, addresses the latter.

If you would like to find out more about us and our products, you can visit our website through the link in our bio 🩷

Keep it groovy people 🫶






We're here to offer you a lil something 💛We'd much rather give our customers treats than to the big businesses 😉 so here...
26/08/2026

We're here to offer you a lil something 💛

We'd much rather give our customers treats than to the big businesses 😉 so here it is ✨

If you've not come across us before, Duet is a reusable coffee cup and water bottle that stacks together simply and securely using magnets. The cup lid is stored in the base of the insulated cup, which can hold 340ml (12oz). The water bottle holds 600ml. Both are made from recycled stainless steel and BPA-free plastic.

We're a small start-up based in Glasgow with a focus to design products that make the use of reusables more convenient. Starting with reusable coffee cups, Duet is one of our two products tackling the issue, with the problem being: no bag space, easy to forget your cup, and nowhere to wash your cup once used. Duet addresses the two former points and our second product, NuWash, addresses the latter.

If you would like to find out more about us and our products, you can visit our website through the link in our bio 🩷






25/08/2026

Duet around the studio 🧲💼

Duet's water bottle and coffee stack together using magnets so you always have easy access to a coffee cup when you're out and about 💛🩷❤️

We'd love to know what you'd like us to stick it to next 👀

Duet is available through the link in our bio.






09/07/2026

Unintentional alternative uses for Duet #1..

Insulated W**e Cup ✅🥂

Duet's insulated cup can be used for so much more than just coffee 👀 Fancy a crisp cold w**e outside? Duet's cup will keep your w**e deliciously chilled so you can enjoy the whole bottle.

Duet is a reusable coffee cup and water bottle that stacks together simply and securely using magnets. The cup lid is stored in the base of the insulated cup, which can hold 340ml (12oz). The water bottle holds 600ml. Both are made from recycled stainless steel and BPA-free plastic.

Fancy grabbing yourself one? Link is in our bio ➡️




**ecup

03/07/2026

Unboxing Duet 🩶

Duet is a reusable coffee cup and water bottle that stacks together simply and securely using magnets. The cup lid is stored in the base of the insulated cup, which can hold 340ml (12oz). The water bottle holds 600ml. Both are made from recycled stainless steel and BPA-free plastic.

We created Duet because we kept doing the same thing: pack our water bottle but forget the coffee cup. Use a takeaway one instead. Again. It wasn't a discipline problem, the two things just lived in different parts of our brain, and only one of them ever made it into the bag. So we built the fix. Grab the bottle, the cup comes with it. Two fully working products, zero extra thinking.

If you would like your own Duet, the link is in our bio ❤️➡️

Available in soft grey, as shown in the video, and a sunny coral.






26/06/2026

We all must stay hydrated during this heatwave 🥵

Even us in Scotland where it's raining 🥲

Always be ready for some refreshing water and an ice coffee with Duet.

Duet is a reusable coffee cup and water bottle that stacks together simply and securely using magnets. The cup lid is stored in the base of the insulated cup, which can hold 340ml (12oz). The water bottle holds 600ml. Both are made from recycled stainless steel and BPA-free plastic.

Grab yours now ➡️ Link in bio ➡️






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