... toy factory ).b.28mm and 32mm are short-fiber(e.g.7DĂ—32),suitable for machine filling ... and good elasticity(suitable for middle and high-grade product,e.g.toys,sofa,bench hassock,and ... hand-feel and good elasticity(suitable for high-grade products).d.Fire-protection cotton(inflaming retarding cotton ... Fire-protection cotton:Suitable for hgih-grade products,e.g.sofa,pillow,etc polyester hollow staple fiber