1.Due to the crystals used are all authentic natural crystals, which were cut from different crystal stones, it's really hard to ensure that the shapes and colors of the crystals are exactly the same. If this is a concern, please purchase with caution. 2.The product includes: （1）With Chains：6 pcs Authentic Natural Crystals, a Zodiac Crystal Instruction Card, a Storage Bag, a Golden Necklace Chain and a Silver Necklace Chain. The pictures below are what you will get exactly，just may vary based on different zodiac. （2）Without Chains: 6 pcs Authentic Natural Crystals, a Zodiac Crystal Instruction Card and a Storage Bag. The pictures below are what you will get exactly，just may vary based on different zodiac. 3.About the size: the diameter of the crystals is about 2cm/0.79inch. 4.About the necklace chain: the pendant of the necklace chain is changeable, all the crystals including in the product can be used as a pendant of the necklace chain.