Material: This pocket compass is made of high quality pure copper shell, which is durable and firm. Luminous Function: This camping compass can be luminous after absorbing light, suitable for day and night use . Precise Positioning: The hiking compass is built-in damping oil for better stability, suitable for tough sports occasions, can show the right direction, you will never lose your direction wherever you are. Portable size : The diameter of this portable compass is 5 , portable for carrying, suitable for outdoor. Multi-function: This waterproof compass is excellent for hiking, camping, orienteering and other outdoor activities. outdoors. It's a perfect outdoor navigation tool or collectible gift for kids, family and friends.