Check the listing for details. 20mm Slip-On Wrist Compass [5PCS] - Hard Shell Liquid Filled Compass - [Black]. Condition: New. Listed at 9.92 USD. PRODUCT INTRODUCTION:1. Features&Applications:The wrist compass features a lightweight and durable construction, making it easy to carry. Its oil-filled design increases its stability. Fits most standard size straps, and can also be used as an accessory to a homemade paracord bracelet or backpack strap.Our mini compass is a compact and versatile tool suitable for various outdoor activities, including hiking, camping, and orienteering. This small compass is an essential navigation accessory.2. Specification:Color: BlackMaterial: AcrylicSize: 24 x 24 x 12mm / 0.94 x 0.94 x 0.47 inch (L*W*H)Compass Diameter: 20mm / 0.79 inchPackage Contents: 5pcs x Wrist Compass3. Use and Warm Tips:You only need to put the wrist strap through the gap on the back of the compass to finish it.