THE ULTIMATE CHOICE - Postsaver Pro-Wrap’s are an innovative rot protection system that's totally unique. Proven & independently tested by the BRE, this fence cover provides 100% rot protection to wooden posts & impressively extends their life by 20 years. Over 10M+ sold! PROVEN DUAL-LAYER ROT PROTECTION - This fence protector utilises a dual-layer barrier system that creates a water & airtight seal to the post. This seal then permanently locks out moisture, oxygen & fungi, the primary causes of post decay. QUICK & EASY TO APPLY - This post protection sleeve fits 3x3” to 4x4" (75x75mm to 100x100mm) square and 3 to 5" (75 to 125mm) round posts. Simply wrap around the post’s ground-line, apply heat using a hot air gun or gas blowtorch & it’s ready to install! Be sure to check the package for simple instructions. 20-YEAR GUARANTEE - Postsaver Pro-Wrap’s wood protector is independently tested by the BRE with over 25+ years of outstanding results! Postsaver offers a 20-year post replacement guarantee on any UC4 timber post with our wrap applied correctly. 26 YEARS OF INNOVATION & HERITAGE - Founded on years of extensive developement and testing, Postsaver is committed to creating premium products that make fencing easier, faster, and longer-lasting, ensuring long-life posts & hassle-free installation + maintenance. Suitable for use with fence post concrete., Manufacturer: Postsaver Europe Ltd