See-Through Bug Jars (10 Pcs. Per Set) 2 1/2". Plastic. Reveal the wonders of your backyard with these clear bug jars. Ideal favors for a nature-themed party, each transparent plastic box has a magnifying lid for better insect viewing. Little outdoor explorers love discovering worms, butterflies, ants and insects. These containers let kids make a bug house out of their own bug box. Plastic. (10 pcs. per set) 2 1/2"