Men's 316L Stainless Steel Cutout Squiggle 5 mm Band Ring These rings are hypoallergenic. The rings which are 316L Surgical Stainless Stain will not rust, will not leave colors on the skin, will not lose their shine and requires little if any maintenance. The sizes are from size 9 to size 13.5. The rings weigh between 2.8 and 3.2 grams depending on the size. They will be pack in assorted size. Please contact us if you require specific sizes. We will do our best to meet your request. All measurements are approximate.