Description: FOR ACTIVE LIFESTYLES - Workout, biking, swimming, manual labor or any other physical activities. MAXIMUM SAFETY - Keep yourself safe from tough conditions like ring avulsion and amputation. TOP GRADE SILICONE - Hypoallergenic, high quality and flexible silicone rings. THE PERFECT GIFT IDEA – Our silicone wedding ring is the best gift for a cool & trendy gift – Usually given for anniversary, birthdays and more. Material: Silicone Band Width: Approx. 8mm, Thickness: Approx. 2.8mm Specification: Inner diameter approx. 17.4mm/0.67inch (US size 7; CA size 7; UK size N 1/2); 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: 4 Pieces Silicone Ring(6 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.