Easy operation 2. Seal plastic bag 3. Also can be for household 4. With color ribbon printer Summary: SF series foot stamping sealing machine can seal polythene, poly propylene and multi-layer compound plastics. Bottom heat sealing at one side. Heating time is adjustable. Operation is simple. Specification: Model SF-400 SF-500 SF-600 voltage 400W 500W 600W Sealing Length 400mm 500mm 600mm Sealing Width 2.5mm Heat Time 0.2-1.5s Packing size 720*380*215mm Machine weight 9.5kg 10.5kg 11.5kg