Re-Play's successful feeding line has been expanded to teething keys. White locking ring securely holds 3 keys in 3 bold colors and 3 unique shapes, all made from recycled milk jugs. Baby will be safely teething while shaking the aqua, green and yellow keys to hear the sound, and grasping and exploring the multi textured surfaces. Fun, teething keys for the baby on the go. Multi textured surfaces, lovely colors, BPA free and made in the USA from recycled milk jugs. Sized just right at 2.5" by 3" by .25" and contained on a nifty, white locking ring for convenience. And, did we mention it was dishwasher safe. We take great care in producing these keys and all our products are tested for safety so you'll have no worries handing these keys over to your child.