Features: brand new and high quality 3 sizes for you to choose, irregular shape will bring you more surprise. Environmentally friendly, made by non toxic material, harmless to people. Delicate shape make it a nice decor for people, you can DIY it as necklace or jewelry to wear it, improve popularity. Children can for play it with parents, improve their hands on ability, meanwhile can promote relationship between each other. A truly unique and wonderful gift for all occasions, can be given as lucky stone gift for friends colleagues or relatives, to bring them good luck. Specifications: Material: Hollow Agate Size: 2-4 cm: Approx. 2x2 for cm/0.78x0.78 in 4-6 cm: Approx. 4x4 for cm/1.57x1.57 in 6-9 cm: Approx. 6x6 for cm/2.36x2.36 in Package Includes: 1x Agate Rock note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.