50pcs 304 Stainless Steel Compression Springs, 0.6mm x 9mm 20mm, Silver Tone

【Comfortable Memory Foam Cushion】The piano bench has a thickened memory foam cushion. It will give you comfortable support and reduce physical fatigue during long term performance. 【Soft Velvet Surface】There is a soft velvet fabric on the top, so it has more adequate support and comfortable feeling than ordinary piano seat. 【Durable & Sturdy Material】The piano stool adpots thickened steel pipes and high strength nylon material. They will give you stable support and protect during playing. 【Easy To Instal】The keyboard bench adpots foldable design, you just need 2 minutes to finish the installation. 【Adjustable Height】The adjustable piano bench has 4 levels , high range from 13.6in to 19.3in. You can choose a suitable high for your need. 【Non-slip Rubber Feet】The keyboard stool has 4 non-slip rubber feet and it also can adjust stability by rotating them when the ground is uneven. 【Professional Service】We provide free resend & return and 24-hour manual service. If you have any question please contact with us freely.