Cost: $5 By purchasing the OLLI-SustainNU Hot/Cold Travel Mug, you will help to cut down on all the paper cups used one time only for coffee, tea and water at OLLI. It’s a great way to start supporting the SustainNU campus-wide effort to reduce waste and create a sustainable NU. Buy one today. Makes a great gift too! For more information about SustainNU – Click Here.