The Oxballs Gearheads 5 Pack Spinner Rings include five liquid silicone cockrings designed for durability and flexibility. Made from premium liquid silicone, these rings are stretchable yet strong, ensuring they won't crack, lose color, or stain. Each pack contains three black rings and two vibrant colors: acid yellow and cool blue. The rings are designed to mold comfortably around your anatomy, accommodating various sizes and shapes. They can be used individually or stacked for added grip. The dimensions of each ring include an outer circumference of 5.75 inches and an inner circumference of 3 inches. This product is manufactured in China and combines bold colors with a robust construction to enhance your experience.