HDPE is vivid in color, smooth and durable. Just as versatile as polypro but a little more robust. From Small coil tubing (100 feet makes approximately 10 hoops). Approx. 4-inches of insert material is included per 10 feet of tubing. **COLORS MAY VARY DUE TO MONITOR SETTINGS** Cut tubing (which is anything less than 100 ft rolls and/or tubing in Mix-it-Up options are FINAL SALE and NOT Returnable) ***All tubing colors are exclusive to Hoopologie and are proprietary.