Based on this product's specifications, here are some alternatives and similar models
Decorative cushion insert ATMOSPHERA 158653 — 1 pc, standard filler, square/rectangular (model 158653)
Summary description:
ATMOSPHERA 158653 is a single-piece decorative cushion insert supplied as 1 pc. Designed for use as a filler for decorative cushions or pillow covers, it provides shape and support for home textiles. Suitable for living room or bedroom cushions, this insert is compatible with standard cushion covers and helps maintain loft and comfort.