Medium Grass Ring - The Grass Rings allow you to personalize your biOrb aquarium. Simply slip the Grass Ring over the bubble tube for instant color. Three sizes are available

Features include:

• Personalize your biOrb aquarium with a distinctive, creative look
• Made using high-quality non-toxic plastics to look like the real thing
• Fits biOrb aquariums 8 gallons and larger
• Slides easily over biOrb s bubble tube
• 7.5 inches tall