VARIETY: We offer Creative Mark Krystal Seal Bags in packs of 25 or 250; These come in various popular sizes including 2.5x3.5", 4x6", 5x7", 6x8", 8x10", 9x12", 11x14", 16x20", 18x24", 20x26", and 22x30". EASY PROTECTION: In the past, protecting your art was a time consuming and cumbersome project; Now all you have to do is slip your art into these bags and fold over the flap which has a resealable adhesive strip on it; In just seconds, your art is placed in a safe environment and can be stored in a storage box, flat file, portfolio, or print rack!. MATERIAL: The Krystal Seal bags are made of 2 mil polypropylene plastic and will accept matted or mounted artwork; These bags eliminate the need for shrink wrapping and covering with acetate film and are far more useful. PERFECT FOR: Home, gallery and trade shows, professional finish for your presentations, artists of all skill levels, photographers, prints, drawings, or watercolors, and quick and easy presentation. FEATURES: Archival and crystal clear, 2 mil polypropylene plastic, accepts mounted and matted work, and may easily be resealed.Number of Pieces: 250. Max Input Sheet Capacity: 250. Color: Pack of 25. Brand: Creative Mark. Material: Plastic. Date First Available: October 28, 2010. Manufacturer: Creative Mark. Item Weight: 0.353 ounces. Is Discontinued By Manufacturer: No. Best Sellers Rank: #57 in Photographic Storage Pages. Customer Reviews: 4.7 out of 5 stars 305 ratings 4.7 out of 5 stars. : B0049V19L0. Item model number: ASKS002. Product Dimensions: 7 x 5 x 1 inches.