Have a pest problem? Get this 4-Pack of Cockroach Trap Bait Boxes Choose from single and double layers Easy to assemble/disassemble  Reusable and washable design can be used over and over again  All you need to do is put bait in the box, cover the lid then let the trap do its work  Made from strong and durable PP  Single layer dimensions: 13cm x 13cm x 3.8cm  Double layer dimensions: 13cm x 13cm x 7cm    Buying Options:  9.99 pounds instead of 39.99 pounds for single layer - save 75%  14.99 pounds instead of 49.99 pounds for double layer - save 70%