IKEA SCHOTTIS , pleated window blind, light filtering, white (Llandrindod LD1)

white, new, sealed package, 90cm x 190cm can be cut to size. "A perfect solution when you want privacy or want to block annoying glares on TV and computer screens. The outside light still comes through and creates a cosy atmosphere in the room." See https://www.ikea.com/gb/en/p/schottis-pleated-blind-white-20242282/#content