Rust Proof Anodized Aluminum Interior1" Frameless Pattern Bevel Front MirrorInside Mirror BackNo Unsightly HingesAdjustable Glass ShelvesEasy to InstallOptional Mirrored Sides (MS)w/Mounting HardwareModel Number Overall DoorDimensions Rough Wall Opening List Price SD-16X22-SCA-BV 16-¼" x 25-¼" 14" x 18" $325. MS-SD-16X22 Mirror Side Kit $60. SD-20X26-SCA-BV 20-¼" x 30-¼" 18" x 24" $395. MS-SD-20X26 Mirror Side Kit $65. SD-24X30-SCA-BV 24-¼" x 35-¼" 22" x 28" $475. MS-SD-24X30 Mirror Side Kit $70