Soft & Breathable: 100% Jersey Cotton Composed of 100% high quality Jersey knit cotton, our Pack n Play Playard sheets are soft, lightweight and breathable, creating a cozy and welcoming sleep environment. Adjustable Elasticity: Fits Multiple Mattress Sizes Ely's & Co's specially designed baby sheet set includes flexible, stretchable elastic, enabling a great fit and tight seal on all standard mattresses sold for Mini Cribs, Porta Cribs, Pack n' Plays, and Playards, as well as mattress pads included with Pack n' Plays. Sweet & Safe With all Pack n Play | Portable Crib sheets doubly reinforced with a thick, elastic band for extra safety, you can say goodbye to ill-fitting, bunched up sheets that are too loose or too tight. Our uniquely designed elastic creates a sweet, safe sleep environment for your precious bundle. Two Pack For Baby Boy The sweet, dusty blue, nautical design offers the ideal bedding décor for your precious baby, and our beautiful two pack option allows you to use one, and wash one, always having a sheet available for easy convenience. Our specially made fabric washes beautifully, with stains and dirt easily washing away, leaving our crib sheet set in pristine condition.