Window perch: sturdy stainless steel frame with suction cups for fabric covers; no wire guidelines for easy cat use.
Mau Houdini Floating Cat Shelf: minimalist design, supports 24lbs on drywall; taut felt platform between rods, replaceable surface for easy cleaning.
K&H EZ Window Mount Kitty Sill: strong suction cups hold 100lbs each, two levels for two cats, pass-through option, Double Stack has six suction cups.
PetFusion Ultimate Cat Window Climbing Perch: sisal-wrapped scratching post, top platform, attaches with 3 suction cups, encourages climbing exercise.
Fukumaru wall-mounted perch: classic wood design, deep hammock, 40lb capacity, includes mounting hardware, natural look may suit certain decor styles.
Mewoofun Cat Window Perch: hooks for window sill, adjustable frame, 5 colors, lightweight hammock supports up to 40lbs, versatile for other surfaces.