50 * 70cm: suitable for newborns to June when the baby sleep pad below, to prevent wet sheets
70 * 100cm, 70 * 120cm: for baby crib or baby bed position
100 * 140: for about 3 years old baby mat below, the large size, the baby how to move are not afraid
150 * 200,180 * 200cm: it can be covered with the single and double beds, a good mattress protection
