These oversized protectors allow for a perfect fit after shrinkage. They must be laundered at least three times before use to fit properly.

Fitted sheet style: Made like a fitted sheet, they have a waterproof top
and cotton sides with full elastic around the bottom. The fabric of the
mattress protector will not allow dust mites or allergens through, but it
is not an encasement to keep dust mites out of your mattress.
Waterproof & hyper breathable fabric:

Waterproof & hyper breathable fabric: Made in Portugal  This polyurethane
layers is made of 100% cotton knitted jersey. Polyurethane is
both waterproof and yet highly breathable. European fabrics are superior
because of advanced technology, regulations for non-toxic processes, and
good working conditions.

Care: Machine wash at medium temperature. Tumble dry low to medium. NEVER dry this product on hot heat. Do not bleach, dry clean or iron.

Guarantee: This protector is guaranteed for one year against any defect in material or workmanship, providing these instructions have been followed.