Description:Put these cobble stones on the edge of the walkway, flower beds and other places, and then after passing sunlight during the day, they will emit blue or green light for up to three hours, which can make your garden more beautiful.Characterized by reusable, the service life of these cobble stones can reach 15 years, and they have the merits of odorless, non-radioactive and eco-friendly.These cobble stones are made of resin material.The diameter of one cobble stone is about 2.2cm.You can use them to decorate the garden, aquarium and so on.Item Name: CobblestoneMaterial:ResinSize:Mix-color*: 10cmx10cmx2.75cm/3.94inx3.94inx1.08inWhite: 7.95cmx7.55cmx3.6cm/3.13inx2.97inx1.42inYellow: 20cmx10cmx5cm/7.87inx3.94inx1.97inGreen: 10.05cmx6.5cmx2.9cm/3.96inx2.56inx1.14inPink: 7cmx5.5cmx4cm/2.76inx2.17inx1.57inLight Blue: 10cmx10cmx3.3cm/3.94inx3.94inx1.3inLight Purple: 20cmx10cmx5cm/7.87inx3.94inx1.97inDark Purple: 20cmx10cmx5cm/7.87inx3.94inx1.97inGrass Green: 8.1cmx6.9cmx2.7cm/3.19inx2.72inx1.06inOrange Yellow: 20cmx10cmx5cm/7.87inx3.94inx1.97inLight Orange: 20cmx10cmx5cm/7.87inx3.94inx1.97inDarkblue: 10cmx10cmx2.9cm/3.94inx3.94inx1.14inNotes:About 50pcs stones, quantity might has 1-3pcs more or less. Hope you can understand, thank you.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:50 X Luminous Pebbles Stones