Approximately 4'' x 4'' (10cm x 10cm) professionally tanned pieces of Natural deer hair of all parts of the deer. If you're not certain witch to choose, email me at email@example.com and I'll do my best to assist you on choosing. Tell me what you want to tie with it. The stiff hair is good for spinning and the softer hair goes good for wings or tails. Each pieces may slightly vary from image.