Size and material Fitted sheet designed for mattresses up to 30 cm in height; fits mattresses with a depth of 5 30 cm. Material: 100% cotton, breathable and skinfriendly. Fit and performance Onepiece fitted sheet with 360degree elastic bands around the edge for a secure, snug fit. Resists wrinkling and loosening, helping you sleep comfortably all night. Care instructions Machine washable up to 30°C; tumble dryer safe; noniron; do not bleach. Please wash separately before first use. Winter warmth and comfort Material: velvet warm fleece and plush microfiber bedsheets, ideal for winter. Provides warmth and coziness without being heavy; designed to keep you comfortable. Includes Includes 1 fitted sheet and 1 pillowcase. Use scenarios Winter nights on a deep mattress (5 30 cm depth): enhanced warmth and cozy feel for coldroom comfort. Regular yearround use: breathable 100% cotton layer for skinfriendly comfort. Busy households or guest rooms: easy care with machine washing and quickdrying maintenance.