Based on this product's specifications, here are some alternatives and similar models
Infant pillow Multitex KLIN AIR size 36x36 cm — newborn support cushion
Summary description:
Multitex KLIN AIR infant pillow, size 36x36 cm, designed as a small support cushion for newborns. The compact 36x36 cm pad provides a stable surface for head positioning and gentle support during rest and sleep. Suitable for use in a crib, stroller or changing area to improve comfort and help maintain head alignment for infants.