200 BCW RESEALABLE Silver THICK Comic Bags & Backer Boards Bags: 2-mil Crystal Clear, Archival Safe Polypropylene Bags: Dimensions (inches) 7 1/4" x 10 1/2" + 1-1/2" flap for closure Bags : Resealable (adhesive strip on back of bag for easy closure) Boards : Dimensions 7" X 10 1/2" (fit inside BCW silver or silver 'thick' comic bags) Boards: Coated on one side; Buffered with 3% calcium carbonate; Precision Cut, Acid Free