Listings primarily show 100% cotton and 100% polyester constructions. Examples include polyester seersucker and several 100% cotton options; product details often list either "100% Polyester" or "100% Cotton."
Product listings show exterior closures such as zippers and buttons. Many covers also include internal fastenings—typically inner ties or corner ties—to secure a duvet insert.
Many sets include interior fastening features—most commonly inner ties or four internal corner ties—to anchor the insert. Listings also pair these ties with button or zipper closures on the outer opening to reduce shifting.
A typical 3-piece set contains one duvet cover and two matching pillow shams. Several listings explicitly state "One Duvet Cover And Two Shams."
Most listings specify machine wash and tumble dry. Common phrasings include "Machine Wash, Tumble Dry," "Machine Washable For EASY CARE," and "Machine wash & dry at regular setting."
Thread counts shown include 200 and 310; some listings use labels such as "Non-Woven Fabric" or "Not Applicable" instead of a numeric thread count. Fabric-weight descriptions include Lightweight, Midweight, and Year Round construction.
Sham closures include inner-envelope closures (noted as 5" or 6" inner envelopes) and zipper/zip closures on some shams.