Poly bag sealers create an air and water tight seal quickly without having to wait for unit to warm up. To operate heat sealer, simply place poly-bag, tubing or any other heat sealable material between sealing bars, press handle down and release. Plastic bag sealers feature a timing light to indicate when seal is complete. Heat sealers have a Teflon coated sealing surface for long life. Plastic bag sealers include 6L, 110V power cord.