Teflon coated, not just covered in Teflon cloth like the majority of sealers. The serrated jaws on these will give you a high quality, extra wide 9/16" seal on any of the bags we sell. This unit has two Teflon coated sides. Most hand clamp sealers sold do not have this, instead they have a hardened rubber strip on one side and a heating element covered by a Teflon cloth on the other.
Will seal 6 inches at a time. (For larger bags just make multiple seals and overlap them.)
Big savings if you can buy a case of 6.