[HELP] How to Preserve Air Dried Clay

Hello! Sorry I have a very random question with air dried clay and couldn’t find any answers on the internet. I found this Reddit group and I figured this might be the best place with knowledge people! I bought an air dry clay kit from the brand Pearhead for my dog’s paw print (exact name is the “Pearhead Pet Paw Print Keepsake Ornament” Josie my bestfriend no longer with me and I have her dried paw print. My concern is how long do these air dried clay lasts before potentially being cracked? My biggest fear is damaging the only paw print I have of her. If there’s any way of preserving it such as in resin I’d rather do that now before having her air dried clay cracked. It’s been about 2 months and I see no signs of deterioration but please let me know! Thank you so much!!