Choose Options Compare MIP MIP-100 Economy Polypropylene Strap Sealer MIP MSRP: Now: $56.00 Was: Poly sealer for 1/2" or 5/8" polypropylene banding. Select the size you are needing upon checkout. This will be determined by the size of the poly/plastic strapping that you cuurrently use. MSRP: Now: $56.00 Was: Choose Options Compare