To provide baby with an optimal comfort play and rest area, just slip this organic cotton fitted sheet over the SENA playard mattress by Nuna. Its elastic edges allow a tight and secure fit. The organic cotton sheet is suitable for your SENA or SENA area playard so that games and naps take place naturally. Features: -Organic cotton fabric and GOTS ™ certified dye -91.5cm x 67.3cm (36in x 26.5in) -The elastic band ensures a perfect fit -Machine washable -Suitable for Nuna SENA and SENA aire playard (Sold separately)