Material : Good Quality Food Grade Plastic. Pure HDPE Reliance india material. Care Instruction : Clean it gently & Without any cleaning agents. A unique design which matches all Generic head bottles such as Coke, Pepsi, Sprite and other water bottles. Bottle holdder rings are Strong, Flexible and perfect to tightly hold any normal size bottles. Suitable for all bird cages for Budgies, Parakeet, Cockatiel, Finches & other birds. Suitable for vertical and horizontal cages. Easy to install and provides hygiene condition.Avoids water spillage/leakage and Food waste. It provides controlled amount of food and water all the time for birds. Superior in quality, designed scientifically to provide sufficient water and food.Helps in perfect growth of healthy birds.