Homeowners and DIYers, this foam insulation tubing is way more useful than you might think! The 1/4 inch size (6mm inner diameter, 16mm outer diameter) is perfect for standard copper water pipes, air conditioning lines, and various plumbing applications. The 6.6 foot length gives you plenty to work with for multiple projects. What's great is how versatile it is - use it to prevent frozen pipes in winter, reduce condensation on cold water lines, or improve energy efficiency on hot water pipes. But it's also fantastic for non-plumbing uses! I've used it to create comfortable grips on tool handles, exercise equipment, bicycle bars, and even as protective covering for sharp edges. The foam material is soft yet durable, and the slit design makes installation super easy - just snap it over your pipes or tools. The black color looks clean and hides dirt well. It provides good thermal insulation while being flexible enough to bend around corners. Whether you're winterizing your home, upgrading your workshop tools, or need general insulation projects, this inexpensive foam tubing delivers serious value. The quality is better than the cheap stuff at big box stores - it doesn't tear easily and maintains its shape over time. Seriously, one of those basic supplies that every homeowner should have on hand for various projects around the house!