TR318 Pebble Gravel for Fish Turtle Tank Landscape bottom decoration Brand Colorful opal glass Sand stone rocks glass ornament for Fantastic Garden or Yard Material: Glass Stone Size and Pkg include:7-9mm.250g Colorful opal glass Sand stone rocks glass ornament Line a walkway, edge a flower bed or fill a planter Bottom of the tank, flowerpot coverings, home decoration, dried flower cuttings with these unique glass pebbles Rinse with water 3-4 times before,do not rubbing force Not toy, keep away from children for chocking hazard