Ikea SKUBB collapsible storage boxes (Radford Semele CV31)

White. Various sizes - 4 x 16cm x 22cm x 33.5cm H / 4 x 12.5cm H x 14cm x 28cm / 4 x 12.5cm H x 28cm x 28cm / 4 x 12.5cm H x 14cm x 14cm.
https://www.ikea.com/gb/en/p/skubb-box-set-of-6-white-00428549/?utm_source=...