The JW Mega Eggs are fun egg shaped toys will keep your dog chasing it for hours. Designed for constant erratic motion, dogs will not be able to catch it as it shoots out from their paws. Made from hard plastic material that is resistant to puncture. MegaEggs are available in 3 sizes to bring the fun to all dogs It’s a chomp ‘n chase race all over the place! This fun egg shape will keep your dog chasing it for hours Designed for constant erratic motion, dogs will not be able to catch it as it shoots out from their paws Made from hard plastic material that is resistant to puncture MegaEggs are available in 3 sizes to bring the fun to all dogs Engage chasing instinct with erratic motion of the uncatch-able MegaEgg! The MegaEgg™ toys are made from a hard plastic known as Polypropylene.