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This knitting chart keeper is an excellent tool for holding your design patterns and charts. It adds a lot of convenience and ease while pattern reading. The fold and unfold mechanism is very easy to handle. The extremely strong magnets do not let the chart slip away. The long magnet strip also works as an indicator guide. The knitting chart keeper provides a pocket to hold the patterns and charts and comes with a sleek pen pocket. This large size has a dimension in open position: 50.0 cm x 30.0 cm (20" x 12") in folded position: 25.0 cm x 30.0 cm (10" x 12") Packing Details: Set of 1 MAGMA Chart Keeper, 3 Small Magnets, 1 Large Magnet Strip and 1 Pen