Martin's 699 Liners Martin's 699 Liners Martin's 699 Liners Martin's 699 Liners 1 Pan, 2 Middle Levels & 4 Shelf Liners From $93.00 1 Pan Liner (oversized to 21"x33"), 2 Middle Shelf Liners w/ ramp cutout (18"x30") & 4 Shelf Liners (10"x18") for Martin's 699. Please refer to the chart above & carefully select the cutout position for your middle shelf. These will not work if your upper ramps are fixed in place. You will need to lift the ramps to place the middle shelf liners down. Liners can be attached to the cage with safety pins (not included). Visit our Cage Liner F.A.Q.'s for more information regarding use and care.