The ashaway quill vantage 370 shuttlecocks are a new improved version of the quill shuttlecocks they are produced with the use of swiss injection moulding tools what makes them the most durable and consistent shuttles on the market the ashaway quill vantage 370 shuttlecocks mimic natural feather shuttles and feature real cork base they conform to world badminton federation specificationthe tube contains 1 dozen shuttlecocks