Zip-Ez Duct Insulation Fasteners make it quick and easy to install duct wrap and reflective insulation. Zip-EZ Duct Insulation Fasteners are UL Plenum-Rated fasteners designed for but not limited to the HVAC industry. Zip-Ez Duct Insulation Fasteners are the new revolutionary way of installing duct wrap and reflective insulation. Zip-Ez Duct Insulation Fasteners were developed by a 30 year HVAC industry professional to insure that the insulation was permanently secured to the duct and was easy to use. Zip-Ez Duct Insulation Fasteners mechanically secures the duct Insulation wrap and reflective insulation using a sheet metal screw. Zip-Ez Duct Insulation Fasteners won't lose bonding properties in extreme hot or cold temperatures. The unique design gives HVAC contractors and DIYers, fast and easy one-handed installation without the need for special tools. The fasteners are more permanent than just tie-wire, duct tape or stick pins and much easier to install. Zip-Ez Fasteners have been Duct Blaster Tested to over 100pa. Zip-Ez Fasteners can also be used as a Tarp Fastener and a Banner Fastener. Each bag of Zip-Ez fasteners contain approximately 250 pieces. This patented product is manufactured in the USA from UL listed materials.