The Ultrafit Interlock nappy by Popolini fits from 3.5 kg to 15 kg: the size is reduced by closing the front with buttons. Each nappy has an extra absorbent cotton insert that can be placed inside when extra absorbency is needed (for the night and for older babies). The velcro closure allows a perfect and quick adjustment of the waistline; during washing it is possible to fold the velcro on themselves to protect the rest of the laundry. It should be used with a waterproof cover to put on.
Composition of the Ultrafit Interlock model: the external and internal fabric in contact with the skin is 80% GOTS certified organic cotton and 20% polyester; the internal absorbent core is 50% polyester and 50% viscose.
The nappy absorbs well and has the characteristic of drying quickly and being thinner than the Ultrafit model in terry cotton.
Watch in the video how to put on the Ultrafit nappy: