"Material: stainless steel. Purely hand polished. Size: carabiner - 40mm/1.57in, 45mm/1.77in, 50mm/1.96in, 55mm/2.16in.(Please check the picture for size details.) Packing list: cage + carabiner + concealed lock, (better to use with chastity belt). Features: new upgraded style with hollow funnel shape design for good breathability. Small and exquisite penis cage, easy to carry and save, suitable for adult men as well as couples. Caution: This product is only suitable for adults. URINATION HOLE DESIGN: This chastity cage also features a urination hole design to ensure breathability and comfort without causing discomfort to the user. You can easily urinate while wearing it without having to remove the entire chastity cage, making it simple and convenient to use. Hollow Design: male chastity cage with unique funnel shape and hollow design. brand new 3d printing technology. Allows your penis to breathe freely even in bondage conditions. 304 STAINLESS STEEL MATERIAL: The chastity sex toy is made of high quality stainless steel material, which is safe and skin-friendly, with smooth surface and no sharp edges or burrs, providing good durability. 4 DIFFERENT SIZE RINGS: The funnel shaped chastity cage comes with four different sizes of snap rings for you to choose from. 40mm/45mm/50mm/55mm. the rings come in both round and curved ring types. You can use them with leather straps. CONFIDENTIAL PACKAGING: We are very concerned about the privacy of our customers, and all of our adult products are packed in private packaging. If you have any questions or concerns when using the product, please feel free to contact us. Date First Available: November 6, 2023 Package Dimensions: 3.9 x 3.1 x 2.3 inches; 8 ounces Manufacturer: Crysore ASIN: B0CMPQ77DF Item Weight: 8 ounces"