tank topper

Hi, i haven't been on here in like forever...but i was wondering if anyone knew the this website that i can't remember the name of :) It sells cheap cages and tank toppers and it is where i found powder coated wire cages... i think it starts with an M but its not marshalls ferret cages.. i...

Hey, I wanted to give my mice more room to run about and was considering getting a tank topper but was wondering if they would be able to escape. I always see the length and width but never bar spacing on packaging. can anyone tell my if a tank topper would work and if so recommend a tank topper...