MustaMustard seeds helps in round head shaping and foam gives neck and shoulder support and protection to infants.Mustard seeds helps in round head shaping and foam gives neck and shoulder support and protection to infants.rd seeds helps in round head shaping and foam gives neck and shoulder support and protection. Pillow prevents flat head syndrome as mustard seed is centrally located at the same time foam restricts the seed to move away from its places,thus keeping baby's head in tact with seedsllow prevents flat head syndrome as mustard seed is centrally located at the same time foam restricts the seed to move away from its places,thus keeping baby's head in tact with seedsw outer cover material is made of 100% cotton fabric which is soft and gentle for new born. Pillow Light weight pillow can be easily carried in baby's pram, stroller &diaper bags.Pillow cover can be easily removed for washing and cleaning.weight pillow can be easily carried in baby's pram, stroller &diaper bags.Pillow cover can be easily removed for washing and cleaning. fover can be easily removed for washing and cleaning. Best Best gift to newborn babies , infants.Excellent quality