Everflow 811-5 PTFE Thread Seal Tape for Plumbers, White 1/2 Inch x 520 Inch (Pack of 5 Rolls) STANDARD GRADE: standard quality for home, commercial and industrial uses STRONG & TIGHT SEAL: secure tape thread helps prevent leaks on pipes and plumbing EASY TO APPLY: elastic less sticky on the fingers and easy to remove COMPATIBLE: with all types of pipe threads for hundreds of applications DURABLE: Teflon tape will not harden or crack anytime