Sheets are designed with 12 ties that need to be tied around the metal frame under the mattress. These ties are designed to keep the sheets secured on the crib and at the same time keep the mattress secured on the top of the bed.
Flexible Fit: Fits all standard Crib Mattresses and Toddler Bed Mattresses; Sheet Dimension 52 x 28 x 9 inches.
WARNING: To prevent possible strangulation or entanglement never use crib sheets unless they fit snugly on a crib mattress. These sheets have 12 ties that need to be secured to the bottom of the crib. All of the ties need to be tied around the metal frame under the mattress. Never use these sheets if they are ripped, damaged or if they are missing ties.
Washing Instructions: Wash before use. Machine wash cold with like colors. Use only non-chlorine bleach when needed. Tumble dry low. Warm Iron as needed.