supply of barcode label rolls ( unit= 500 labels / rolls ) 4 x 4 die cut in the roll of 500 labels each with an equal no. of self-locking plastic bags specification and condition;- 1 ) polyester / polyethylene / bopp / tyvek tamper- proof labels with hot melt pressure sensitive / acrylic-based adhesive 25 gsm perforation on release paper. 2 ) die cut 4x4%u201d with one punched hole of 4 mm diameter serrated at the middle with 1cm below the top edge 3 ) label paper should be excellent tear resistance 4 ) it should have excellent printability with sharpness and no ink smudging. 5 ) it should have good print readability 6 ) it should have excellent fold resistance 7 ) it should be light, water, solvents, chemicals, and grease resistant and the label should remain stuck to substances like glass, and metal objects at temperatures up to 55 deg. celcius. 8 ) it should have excellent adhesive strength to stick on bags made of jute oem should be iso:9001 certified company 9 ) it should not tear around the serrated area in the label material [ warranty period: 30 months after the date of delivery ] => limited