The TCGPlayer value assessment is often times up to interpretation based on last sold vs average sold etc, so there is no promise for value, but I can assure you that the product is enjoyable and not just filled with bulk cards. There are no refunds on this product due to the estimated value of the cards. Cards can be anywhere from damaged to Near Mint, but if the card is not Near Mint the card value is approximated based on its appropriate level of wear. Graded cards are NOT Guaranteed, but are typically included in bags higher than the PokeBag. The Poke Ball Mystery Bag contains rare pokemon cards and graded cards valuing at a minimum value of 45 per tcgplayer at the time of creation. The Great Ball Mystery Bag contains rare pokemon cards and graded cards valuing at a minimum value of 90 per tcgplayer at the time of creation. The Ultra Ball Mystery Bag contains rare pokemon cards and graded cards valuing at a minimum value of 135 per tcgplayer at the time of creation. The Master Ball Mystery Bag contains rare pokemon cards and graded cards valuing at a minimum value of 235 per tcgplayer at the time of creation. The Mega Master Ball Mystery Bag contains rare pokemon cards and graded cards valuing at a minimum value of 470 per tcgplayer at the time of creation. The Holy Grail Mystery Bag contains rare pokemon cards and graded cards valuing at a minimum value of 950 per tcgplayer at the time of creation. There can be any number of cards or slabs in this package totaling to your value, mainly focusing on alternate arts, illustration rares, secret illustration rares, vintage holos, secret rares, and more. When available these bags may also have certain themes such as eeveelutions, charizard theme, or even hits from a specific set.