Crib sheets are made of high thread count cotton and polyester sheeting with elastic around the ENTIRE sheet for a snug and secure fit.
Extra deep pocket fits generously on mattresses up to 3 " thick.
These sheets are designed for child care sized cribs and not home sized cribs.
All of our sheets meet 16 CFR Part 1610 Class 1 Clothing Flammability Standards.
Most child care centers use a mattress that is 24" x 38' x 3"