Material : 90% Polyester and 10% SpandexWhere are the chair sashes used : Our spandex chair sashes have a wide range of colors to choose from, suitable for many different occasions or events, including weddings, parties, engagements, anniversaries, baby showers, birthdays, etcWhats in the package : According to your order, You will receive spandexroyal black chair sashes 50 pack.(white chair cover not included, if you need, you can buy from our store)Reinforced Stitched Edge : The chair bows with high-density rolled edges, reinforced and stitched inside with color-matched thread. Durable to use, non-deformable, not easily crack and can be used repeatedly.Why we choice Thenevred spandex chair sash : Our chair sashes use the Premium Material , 90% polyester and 10% spandex so.its highly stretchable . can fit on most banquet chair or folding chair (14-20 inches Width ). All of the edges of chair sashes are finished and overlocked with color-matched thread,with bright buckles.