Withdraw aliquots from sealed plates without adhesive contacting your probe, pipet tip or samples! Double-layer film provides a strong secure seal over the entire plate while eliminating adhesive from 90% of the area directly above each well. The top layer is adhesive free. The bottom, adhesive layer is die-cut to correspond to the wells of a 96-well plate. 70μm polyethylene/polypropylene base with 26μm acrylic adhesive. Non-sterile, 50 sheets per box.