CHEWY KNOBBY Q offers a flexible bumpy bitable surface, certainly perfect for getting new teeth ready for chewable foods. As this stage 2 teether is covered with knobs to add just the right amount of sensory input to the teething experience. Knobby Qs are great for practicing biting and chewing skills. Teething on a Knobby Q leaves the mouth open for breathing and sound play. Because Knobby Qs are easily grasped by little fingers. Therefore, Knobby Qs are made in Maine and like all Chewy Tubes brand products, Knobby Qs are free of latex, lead, BPA, PVC and phthalates. Each Knobby Q is approximately 3” in diameter and ½” thick.