Back door key fob is based on highly effective signage design using simple pictures and colour contrasts to take the guess work out of finding the right key. If you're having trouble with memory, patience or confidence then the last thing you need is something as trivial as a key causing you unnecessary stress. Key features Size: 90 mm in length (slight variances according to design) Simple picture Clear text and colour Extremely tough and durable How it works Attach fob to appropriate key using a key ring. What’s included Back door key fob: 1 What people say Our products are tested and reviewed by people living with dementia and their carers to make sure they are fit for purpose. We use the feedback to decide which products to stock and to help with the information and advice we give. We encourage customers to review our products so if you decide to make a purchase we would be very pleased if you could add a review. Is it right for you? To help you decide if this is the right product for you please read our advice on choosing the right products to help people living with dementia.