Sale 100pcs Glow In The Dark Stones Colorful Pebbles Rock For Fish Tank Aquarium Have Color:Purple,Yellow,Green,Red,Orange,Blue no.48 Quantity: 100 The size of 1 pc Pebble:1.7cm x 2.4cm/0.67'' x 0.94''(approx) Color:Purple,Yellow,Green,Red,Orange,Blue If you want color, please tell me. Delivery time: By Airmail: Generally, delivery to USA takes about 10-35 days. Delivery to Canada,AU, UK, and other European countries takes about 14-28 days.