California Design Den Twin XL Duvet Cover Only — GH Best Bedding 2025, 400TC Sateen, 100% Cotton, White

Award-winning comfort for your bedroom

Elevate your sleep space with the California Design Den twin XL duvet cover only. Crafted in premium 400-thread-count cotton sateen, it delivers a soft, breathable touch and a subtle, elegant sheen. Recognized with the Good Housekeeping Seal and named a 2025 GH Best Bedding winner, this cover prioritizes quality and dependable materials you can feel as you sink into bed.

Designed to pair gracefully with a range of sheet colors and patterns, it helps create a cohesive, hotel-inspired look at home. The white tone provides a crisp backdrop that can refresh any bedroom style, from minimalist to coastal to modern farmhouse.

Key benefits

• Premium 400-thread-count cotton sateen for a smooth, breathable touch against the skin
• 100% cotton construction for natural softness and durability
• Duvet cover only (68" wide x 92" long) fits twin or twin XL comforters on various mattresses
• Secure closure with button openings and internal corner ties to keep the insert in place
• OEKO-TEX STANDARD 100 certified for safety and peace of mind
• Elegant satin-like sheen with minimal wrinkles for a crisp, tidy bed
• Easy to wash and dry at home, designed for regular maintenance
• Plastic-free packaging and a sustainability-minded approach from a family-owned factory

Product details

• Size: Twin XL / Twin duvet cover only (68" wide x 92" long)
• Material: 400 thread count cotton sateen
• Closure: Button closure with internal corner ties
• Care: Easy care; machine wash and tumble dry
• Certifications: OEKO-TEX STANDARD 100
• Notes: Thread count may vary by ±5% due to standard manufacturing limits

Sustainability & care

California Design Den emphasizes responsible produce-and-donor practices. Since 2022, the brand has donated over 36,000 bedding items to US charities and eliminated plastic from packaging. The duvet cover is crafted in a family-owned factory in India, with quality checks to ensure consistent results. For maintenance, wash in regular settings and tumble dry as needed to keep a fresh, crisp look.