UK Activewear Brand Sundried. The Sundried eco-friendly Insulated Double Wall Reusable Coffee Cup is perfect for everyone, from coffee to tea drinkers and everyone in between, whether you're on-the-go or just want to save on waste.BPA-free and non-toxic. This reusable coffee cup won't taint the taste of your drink. Dishwasher safe. Shatter-proof . Double-layered design fully insulates your drink without making the outside hot to touch – easy to hold and transport. If you care about the environment and saving money, this is the coffee mug for you. Sealable lid with adjustable plug at the sipper hole. 420ml capacity.