1.【SIZE】 -There are four sizes for you to choose from The diameter of SIZE 10 is 19.8mm (0.78'') and the circumference is 62.1mm (2.44''); The diameter of SIZE 11 is 20.6mm (0.81'') and the circumference is 64.6mm (2.54''); The diameter of SIZE 12 is 21.4mm (0.84'') and the circumference is 67.2mm (2.65''); The diameter of SIZE 13 is 22.2mm (0.87'') and the circumference is 69.7mm (2.74''). 2.【REPLACEMENTS】 -These silicone rings can replace your traditional wedding ring to keep it safe from being scratched or damaged from heavy work or strenuous exercise. The sleek and comfortable material would protect your ring finger from injuring. 3.【SILICONE MATERIAL】 - Men rings are all made of pure medical grade silicone. Mens silicone wedding band is comfortable, smooth, non-conductive and definitely safe even for sensitive skin, not to be damaged from heavy work or strenuous exercise like electrical work, outdoors, work out, etc. 4.【NICE GIFT】 – Silicone ring men is an awesome nice for the best, cool and trendy gift. Usually given for her or his birthday, anniversary, valentines, Father’s Day, Labor Day, Christmas and more. 5.【SUITABLE FOR ANY OCCASION】- Workout, gym, weight lifting, water sports, trekking, climbing or any other physical activity? Our men rubber rings will be nice in replacing your formal wedding band to keep it safe from being scratched or damaged. Material：SiliconeColor：BlackWidth：8mmThickness： 2.5mmSize：10-13Special Feature：Durable,WaterproofPackage Contents：4 Pieces 1.【SIZE】 -There are four sizes for you to choose from The diameter of SIZE 10 is 19.8mm ( 0.78'') and the circumference is 62.1mm ( 2.44''); The diameter of SIZE 11 is 20.6mm ( 0.81'') and the circumference is 64.6mm ( 2.54''); The diameter of SIZE 12 is 21.4mm ( 0.84'') and the circumference is 67.2mm ( 2.65''); The diameter of SIZE 13 is 22.2mm ( 0.87'') and the circumference is 69.7mm ( 2.74''). 2.【REPLACEMENTS】 -These silicone rings can replace your traditional wedding ring to keep it safe from being scratched or damaged from heavy work or strenuous exercise. The sleek and comfortable material would protect your ring finger from injuring. 3.【SILICONE MATERIAL】 - Men rings are all made of pure medical grade silicone. Mens silicone wedding band is comfortable, smooth, non-conductive and definitely safe even for sensitive skin, not to be damaged from heavy work or strenuous exercise like electrical work, outdoors, work out, etc. 4.【NICE GIFT】 – Silicone ring men is an awesome nice for the best, cool and trendy gift. Usually given for her or his birthday, anniversary, valentines, Father’s Day, Labor Day, Christmas and more. 5.【SUITABLE FOR ANY OCCASION】- Workout, gym, weight lifting, water sports, trekking, climbing or any other physical activity? Our men rubber rings will be nice in replacing your formal wedding band to keep it safe from being scratched or damaged.