The BouncyBand Original Bouncy Bands for chairs are perfect for those looking to equip their classroom with these special features. This 9 count pack in black color will provide you with enough bands to equip 9 chairs. Made by BouncyBand, a trusted brand in the industry, these bands are durable and high-quality, ensuring they will last a long time. The bands are designed to fit 13-17” chairs.