#0 / #2 / #4 / #6 Here's a fun version of our unique, two-in-one S-Biner. Made of lightweight plastic and available in 15 bright colors, its double-gated design has the same functionality and same nearly endless variety of uses. Ultra-handy dual spring gates will hold, secure, and connect everything from house keys and cell phone holsters to technical camping gear. Attach valuables to the center bar for ultimate security, link gate ends to a second set of items and anchor, or connect many items