That's abuse. Visually, they are not the same, the drawings have changed, but not sure that the composition has changed...
They just took the opportunity to raise the prices!

Was 49 CHF for 120 nappies = 0.408333 per piece
Now 65 CHF for 144 nappies = 0.4513888 per piece !!!

just rip off

Prices are based on supply and demand, suppliers and availability of goods. Therefore, prices vary very regularly and may differ from one site to another.