This men's ring has a polished sterling silver exterior and a Balinese coconut tree wood core. The wood is sealed and waterproofed. This ring takes approximately 3 weeks to make. The width is 7mm. Select your ring size ( US sizes) from the drop down menu. Please make sure your size is correct at the time of ordering as this ring cannot be resized. Your ring will ship by Express courier. Allow 4-7 days shipping time.