The product is a set of two Ordnance Survey maps covering the Snowdonia National Park and the Brecon Beacons National Park. These maps, part of the Ordnance Survey series, are in English and were published by Ordnance Survey in the United Kingdom. The author is Ordnance Survey, known for their detailed mapping of Great Britain. The maps are not personalised and provide a comprehensive guide to these beautiful and popular regions for outdoor activities and exploration.