Full-size sheet protectors come in a range of materials. Common constructions include rayon from bamboo blended with polyester (e.g., 40% rayon from bamboo / 60% polyester), nylon/polyester blends (e.g., 40% nylon / 60% polyester), 100% polypropylene, multi-layer blends such as polyester/polyethylene/polypropylene (for example 40% polyester / 40% polyethylene / 20% polypropylene), and 100% polyester microfiber.
Full-size sheet protectors are typically listed with a mattress length of 75 inches and a width of about 53–54 inches. Product labels commonly show 54" × 75" (sometimes 53" × 75"), so check the specific listing for the exact width used.
Pocket depths vary by product. Available options in the listings range from about 10 inches up to 18 inches (common values shown include 10", 12", 16", and 18"), so choose a protector that matches your mattress thickness.
Two main styles appear: zippered encasements (full zip closures that fully enclose the mattress) and fitted sheet–style protectors with elastic skirts (all-around or 360° elastic, corner elastic, or strong jumbo elastic). Zippered encasements provide full encasement; fitted styles act like a fitted sheet for easier installation.
Most listings advertise waterproof and stain-resistant protection, with some labeled explicitly as “waterproof” or “100% waterproof.” Several listings also highlight quiet or ‘noiseless’/‘discreet’ constructions designed to minimize crinkling sounds.
Some protectors include breathable and cooling features such as 3D mesh or 3D Air Mesh technology, breathable fabric constructions, and laminated TPU described as smooth and cooling. These features are intended to wick moisture and promote air circulation.