I purchased the dog mate magnets because my cat was having problems getting in the door with the cat magnet...then he lost it and his collar! The magnet is big, but he's adjusting and doesn't seem to be bothered by it too much. Since it is a bigger magnet, he doesn't have to be touching the mechanism for it to work. I am very pleased with this product. Shipping was quick and the price was the best I found!
Prosworks better than the cat magnet
Price is right!