Tired of chasing down the escapees? Our Alcatraz Bowls are the perfect solution to keep your feeder bugs from escaping during feeding time. Made of 100% recycled materials our escape proof roach feeder bowls are a win for the environment too! Our Standard Alcatraz Feeding Bowl is 3.5″ in diameter .75″ tall with an opening of 2.5″. Our XL Alcatraz Feeding Bowl is 5″ in diameter 1.5″ tall with a lid opening of 3.5″