These leather foraging toys are perfect for a long term enrichment activity. Meant to be filled with dry foods only, parrots much search and dig in the pre punched holes to retrieve their foods. The high quality vegtable tanned leather, holds up to the toughest beaks. Refill these time after time. Add in crinkle paper to up the level of complexity, or just add some of your birds favorite things inside. These are wonderful safe source of enrichment.