This is a restraint bag (also known as a "minomushi bag") used for things like trimming a cat's nails. You put the cat in from the back, tighten the drawstring, and then take out the head or paws for grooming. It's large enough to fit a cat weighing 4-5 kg. I bought it on Amazon a few years ago for about 1500 yen. I used it a few times, but my cat struggled and I couldn't trim its nails, so I'm selling it. If you'd like to try it out, how about it? Cats that calm down when wrapped in a towel might be okay with this. It has been washed. Blue mesh material - Brand: Aduck - Color: Blue - Size: Blue net part, 30 cm long, 47 cm wide Shipped with Mercari's secure delivery service.