DL1961 Calla rope slides

Please look at the pictures these slides do not have any damage, but the interior needs cleanup, but it seems to rush out fairly easily. Did not do a full clean on them. Size is not visible so I am enclosing measurements. I believe them to be an 8 1/2/9. Measuring the foot bed alone is 9.5 inches. Platform height is 1.5 inches.