Flexible Fit: Fits mattresses up to 6 inches thick with deep pockets for security. All-Night Protection: Quilted fabric enhances airflow for optimal comfort. Certified Safe: Meets OEKO-TEX 100 standards for chemical-free materials. Durable & Long-Lasting: Reinforced stitching ensures hundreds of washes. Waterproof: Keeps your baby dry and mattress clean for ultimate protection and comfort.