8 in 1 Ecotrition Nesting Material for Cockatiels, Parakeets, Finches 0.25oz, Bird Nesting Material 8 in 1 Ecotrition Nesting Material for Cockatiels, Parakeets, Finches 0.25oz Ideal nest lining material for all caged birds. Self contained dispenser hangs on the side of your bird's cage. Designed to satisfy your bird's nesting instinct. 0.25 oz.