Suggested Retail:$62. K&H Pet Products EZ Window Mount Kitty Sill - Single Level or Double Stack . Double the fun of a window perch. The kitty sill - double stack EZ window mount by K&H is the perfect window mounted play/sleep area. Incorporating steel frames and our unique push’ N ’turn super strong suction cups, this window mounted Gem is sure to please. As with the single unit, It can be folded up against the glass In seconds to allow for normal operation of blinds, curtains or shades. Covers easily remove for washing.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.