memory foam hemorrhoid stone cushion cushion long-sitting non-collapse hollow breathable chair seat cushion hip beauty tail vertebra tail vertebra butt seat cushion 记忆棉痔疮垫坐垫久坐不塌中空透气椅子屁垫美臀尾椎尾椎屁股座垫

dark gray (interloop) green (interloop) pinkish beige (interloop) orange (interloop) light gray with deep gray (interloop) light gray splicing pink (interloop) light gray paired with green (interloop) light gray with orange (interloop) light gray 3d mesh with dark gray patchwork light gray 3d mesh with black patchwork light gray 3d mesh with pink patchwork 3d mesh light gray with navy blue patchwork crystal velvet dark blue crystal velvet dark gray pink crystal velvet crystal velvet, pure yellow crystal velvet sky blue

42*37.5*9.5cm [comfortable for prolonged sitting]