EvoSlab Beckett Graded Card Slab Case Protector for BGS Graded Card Similar Like Slabmag. 

Suitable for Beckett BGS Graded Slabbed Cards up to 11.5mm thickness and under. Suitable for both regular thin & thick slabbed BGS cards. 

Product Dimensions : 137MM 5.38INCH x 89MM 3.5INCH x 14.5MM 0.57INCH