Hello, and welcome to Vellenty Products! These pebbles are made natural and polished for an aesthetic accent for your aquatic, indoor, and outdoor decoration needs. Our goal is to provide customers with enlightenment to their interior and exterior design and enhance a sense of creativity and freedom with these decorative pebbles. How many orders are needed to make a 1-inch layer in your fish tank? ⚠ 5 - GALLON TANK = 2 orders required (4 LB TOTAL) ⚠ 10 - GALLON TANK = 4 orders required (8 LB TOTAL) ⚠ 15 - GALLON TANK = 6 orders required (12 LB TOTAL) PRODUCT DETAILS: [Natural polish finish] - Enhances color and shine to give aesthetic accent as your indoor and outdoor decoration [Comes in mixed color] - Complements many other river rocks and aquatic decorations in your fish tank [Easy to clean] - Rinse with water several times before and after use [Variety of shapes and size] - Decorative pebbles feature a wide variety of shapes from thin to thick, oval, and round [Versatile decoration] - These multi-purpose pebble stones accommodates to any of your desired display purposes [Assists soil moisture and water drainage - Gardening purpose] - Scattering pebbles above soil helps retain moisture and facilitates water drainage SPECIFICATIONS: ★ 2 LB (32 OZ) ★ Each pebble measures approx. 1-INCH (2-4 CM) ★ 1 order covers approx. 1-SQAURE FOOT WHERE TO USE? ✔ Aquarium/Terrarium ✔ Vase Fillers ✔ Potted Plants ✔ Flower Arrangements ✔ Succulents ✔ Walkways ✔ Garden ✔ Home Decoration ✔ Art Crafts ✔ DIY