Features 1、SAFETY PREVENTION: The dart surround ring provides enough space to protect the walls and prevents dart tips from damage. The darts can be easily removed, making it practical and convenient. 2、PERFECT FIT: With an inner diameter of 45cm, an outer diameter of 70cm and a thickness of 3.5cm, the wraparound ring can be easily fitted to the board and is easy to remove at the same time. 3、MATERIAL: Made of PU material with good stability. When one side has been frequently used for a long time it can be flipped over to make it looking like new. 4、EASY TO INSTALL: Easy to assemble and place on dart boards without additional installation tools and experience. Supports not only dart racking but also surround use. 5、EXQUISITE APPEARANCE: This dartboard has a professional and exquisite appearance . People who like to take darts as a hobby can feel like real professionals at home. Item Type: Dart Surround Material: PU Weight: Approx. 2050g / 72.3oz Inner Diameter: 45cm / 17.7in Outer Diameter: 70cm / 27.6in Thickness: 3.5cm / 1.4in Application: For Standard 18Inch Sisal Tournament Dartboard Package List 1 x Dart Surround