California Design Den Cotton Sateen Twin-XL Sheet Set, Sky Blue — 3-Pc, Deep-Pocket Breathable Comfort

These California Design Den Twin-XL sheets are a 3-piece 100% long-staple cotton sateen set in a calm sky blue, built for breathable comfort, deep-pocket fit, and easy everyday care.

Designed for dorms, guest rooms, and narrow beds, this Twin-XL set pairs a smooth sateen finish with durable construction. The collection includes one fitted sheet with an all-around elastic grip, one full-size flat sheet, and one standard pillowcase, all finished in a muted pale blue with soft gray undertones. Independently tested thread count and Good Housekeeping recognition underline the set’s focus on consistent quality and everyday practicality.

How does the fabric feel and perform night after night?

The sheets use a 400-thread-count single-ply long-staple cotton woven in a sateen finish, giving a silky hand that becomes softer with repeated washing. This weave balances a subtle sheen with breathability so the fabric stays comfortable across seasons without feeling heavy.

• 100% long-staple cotton for a smooth, durable surface
• Sateen weave provides a soft, lustrous touch that breaks in over time
• Machine-washable and tested for pilling, fading, and shrinkage

Will the fitted sheet stay on a deep mattress?

The fitted sheet is made to handle thicker mattresses with an all-around elastic grip that keeps corners secure. It fits mattresses from 8" up to 15" deep, making it suitable for topped beds, mattress toppers, or newer high-profile mattresses.

• Deep-pocket fitted sheet fits 8"–15" mattresses
• All-around elastic grip for consistent edge hold
• Top/bottom tags simplify orientation when making the bed

What exactly comes in the 3-piece Twin-XL set and what are the dimensions?

The set contains one flat sheet, one fitted sheet, and one pillowcase, sized to Twin-XL standards but finished with generous hems for easy making. Dimensions are listed so you can confirm fit with your mattress and bedding accessories before purchase.

• Flat sheet: 66" W x 100" L
• Fitted sheet: 39" W x 80" L (fits 8"–15" depths)
• Pillowcase: 21" W x 30" L, classic open-end style

How should I care for these sheets to keep them looking fresh?

These cotton sheets are designed for routine home laundering and become softer with each wash. Following straightforward machine-care instructions keeps color and fit consistent while minimizing wrinkles.

• Machine wash warm; tumble dry low
• Remove promptly from dryer to reduce wrinkles
• Tested for fading and shrinkage; durable across regular washes

Who is this for: The California Design Den 3-piece Twin-XL set is a practical pick for students, hosts, and anyone outfitting narrow or long beds who wants a soft, breathable cotton sheet that looks refined without being overly bright. It suits shoppers who prioritize verified quality (independently tested thread count and Good Housekeeping recognition), ethical production, and recyclable packaging. If you need a dependable, comfortable Twin-XL sheet set that fits deep mattresses and improves with washing, this sky blue cotton sateen set is an appropriate match.