MATERIAL: This pocket compass is made of high quality pure copper shell, durable and firm. LUMINOUS FUNCTION: This navigation compass can be luminous after absorbing light, suitable for using during both day and night. Note: there is no luminous effect without exposure. PRECISE POSITIONING: Distinguish the direction and fix your position, give you a right direction whenever and wherever you are. PORTABLE SIZE: The diameter of this small compass is 4.7cm, cute and convenient to carry. MULTI-FUNCTION: Excellent for hiking, camping, orienteering and other outdoor activities. A perfect outdoor navigation tool or a collection gift for kids, family and friends. Colour: gold Product includes: 1pc Size: 49mm diameter, 16mm height Notes: Please allow 1-3cm error, due to manual measurement, please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you for your support!