Ikea Myskgras Twin Lightweight Comforter Duvet Insert (2) 2 Pack Ikea Myskgras TWIN Comforter Insert Each comforter Measures 64" x 86" -- Fits All Ikea TWIN Duvet Covers Filling, 100% Polyester; Fabric, 100% Polyproplene Replaces the Mysa Gras Comforter Series Ideal for Those Who Often Feel Warm and Prefer a Cool Comforter