Hyper Mat Premium series are produced by adopting non-reflective materials for the clear side of Hyper Mat series, scratch resistant by embossing finish. Hyper Mat Premium series are most highly graded card sleeve with fully matted feature suitable for card game tournaments." We have found these new Hyper Mat "Premium" sleeves to be far less slick than anything on the market. Easier to shuffle and easier to keep stacked! With the new non-reflective clear front they are far easier to read then standard Hyper Mat sleeves! 91 x 66 x 01 mm"