1. Material: PU + sponge 2. PU leather cushion, soft and delicate, double-layer structure, waterproof and wear-resistant 3. Soft and elastic, thickened shock absorption, comfortable sitting 4. High-density sponge seat bag filling, moisture-proof and dust-proof, convenient storage, easy to install 5. Weight: about 400g for SY 009 model, about 300g for SY K70 / A8 model 6. Size: for SY 009 model about 36 x 18 x 8cm, for SY K70 / A8 model about 30 x 20 x 8cm
