Such a permanent cant be targeted by spells or abilities, enchanted by Auras, equipped with Equipment, fortified by Fortifications, or blocked by creatures, and all damage that would be dealt to it is prevented
If the cards are in near mint condition (limited edgewear, no creases or dents, few holo scratches) that will increase their value
Total charge for credit 263.39
If you happen to have Normal-type Pokemon Wigglytuff ex in your card collection, you could also consider them and Jigglypuff as an alternative
I would recommend experimenting with either one before I tried both
Unmatched Protection Keep your cards safe from scratches, spills, and wear with acid-free, PVC-free materials