Specifications: 100% pure wool sleeping bags Size(cm): 85 x 40(baby-envelope) 150 x 60(pupil-envelope) 185 x 85(envelope) 230 x 80 x40(mummy) filling: 100% pure new wool inner fabric:100% cotton out fabric: soft nylon(190D;210D), water resistant *light weigh-300 per square metre *heavy weight-500g per square metre ***NATURAL CHARACTERISTICS*** *healthy & natural products *so light and keep you warm *breathable as natural fibre *expel moisture *naturally flame resistant *statics resistant and repels dust *environmentally friendly products Welcome to any enquiries and orders. Fax: +86-20-87570558 +86-472-5154035