Feature: 10pcs in 1 bag of man-made pebbles Line a walkway, edge a flower bed or decor garden ,fish tank with these unique pebbles. Glow lasts approximately two to three hours after full sun exposure Material: Photoluminescent pigment plus resin Size:1.7cm x 2.4cm Color:as the picture Package includes: 10Pcs Fluorescent Pebble Stone Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.