Q: Can these puzzle pieces can pop-out? A: Yes

Q: Can these puzzle pieces can pop-out? A: Yes, all the puzzle pieces can pop-out, and they are larger than 25mm that won't have a choking hazard. Q: Where can I use these mats? Can I use them on the carpet? A: You can use them in many places if you keep floors smooth and clean, but we recommend that you do not use on the fluffy plush carpet, or the mats may not be good match. Q: Any other patterns? A: Yes, we have a lot of patterns, you can enter our shop, www.amazon.com/shops/meiqicool . Q: Do these mats contain harmful substances? A: No, our mats have passed the US CSPIA test, they are no BPA, no Phthalates, no Lead, no formaldehyde. Please be assured of use. Q: Are these mats easy to clean? A: Yes, all our mats are waterproof, and easy to clean. You can wipe it with a damp cloth. Q: Are these mats odorless? A: Almost odorless, but we're not sure for sensitive people.