Gutto window stoppers, which have won numerous Rakuten rankings for kids' and baby products. Over 40,000 units sold. Manufacturer's suggested retail price: 6 pieces for 800 yen. Length: 7.4cm, Width: 8.9cm, Thickness: 1cm Made of ABS material, which is gentle on people and the environment and highly durable. Removable adhesive type, so it's okay for rentals. 6 pieces in a set, only 1 used. 3 pieces are new, unused, and unopened. 2 pieces are new and unused, but the bag is torn. The bags have wrinkles, etc. The ruler is for size comparison. It is not included. No need to ask before buying, instant purchase OK, no pets, no smokers, same-day or next-day shipping, anonymous shipping. All evaluations are "good". Window stopper, window lock, window guard, window, sliding window, bay window, stopper, lock, window lock, safety lock, child lock, baby guard, guard, baby, newborn, baby, infant, toddler, baby, newborn, infant, toddler, baby, child, kid, child, kid, fall prevention, fall prevention, fall prevention, mischief prevention, mischief, finger pinch prevention, finger pinch, finger pinch prevention, danger, danger prevention, finger pinch, finger pinch prevention, finger pinch, measures, mischief measures, safety measures, peace of mind, fall accident, fall accident, sliding door, slide, door, sliding door, door, screen door, veranda, balcony, terrace, key, auxiliary key, rental, crime prevention, intrusion, crime prevention measures, intrusion measures, peelable, removable, easy to install, easy to remove, durable, strong, easy, convenient, ventilation, adhesive, double-sided tape, seal, colorful, white, blue, pink, brown, clear, white, blue, brown, transparent, variations, color variations, inconspicuous, hard to see, noticeable, blends in, simple, stylish, fashionable, cute, set of 5, great deal, popular, cheap, dog, cat, pet, escape, escape prevention, escape measures