Cultured Algae: Living Art Collection - "Tidal Pool" Bottle 1 Small Glass Bottle Aquaria & 1 Hand-Picked Seaweed Specimen With Every Purchase Living Art - Instantly Adds Intrigue & Personality To Any Space (At Home Or The Office) Self-Sustaining Aquatic Ecosystem - Featuring Locally Sourced & Cultivated Seaweed Beautifully Framed - Comes In 3.5" Width x 4.4" Height / 8.5 Ounce Glass Bottle No Maintenance Required - No Water Changes, No Feeding, No Water Filtration, No Worries