Description:Material: SiliconeBand Width: Approx. 8.5mm, Thickness: Approx. 1.8mmColor : Black,Deep Gray,Gray (each Color 1 Piece)Workout, biking, swimming, manual labor or any other physical activities.Keep yourself safe from tough conditions like ring avulsion and amputation.Our silicone wedding ring is the best gift for a cool trendy gift,Usually given for anniversary, birthdays and more.Specification:Inner diameter approx. 18.2mm/0.71inch(US size 8; CA size 8; UK size P 1/2);Inner diameter approx. 19mm/0.75inch(US size 9; CA size 9; UK size R 1/2);Inner diameter approx. 19.9mm/0.78inch(US size 10; CA size 10; UK size T 1/2);Inner diameter approx. 20.7mm/0.81inch(US size 11; CA size 11; UK size V 1/2);Inner diameter approx. 21.5mm/0.85inch(US size 12; CA size 12; UK size X).Package Includes:3 Pieces Silicone Rings(7 Pack)Note:Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.