Both of these products are made from 100% pure, soft organic cotton. Bedside sleeper bassinet pads of different brands vary slightly in size. The 2 pack of fitted sheets stretch to fit Mika Micky, Baby Delight, Ronbei, Koola Baby, Cloud Baby, AMKE, Angelbliss, Maxi-Cosi, Arm's Reach, Besrey, Papablic, Cowiewie, 4Moms MamaRoo, Chicco LullaGo, Chicco LullaGlide, KoolaBaby, KoolerThings, Ingenuity, Nordimex, Vavasoo, Simmons, Graco, Evolur, Pamo Babe, Earth Me, Bellababy, Ricuton, Skip Hop, MiClassic, Fodoss, Delta, and all other pads between 17-21” in width, X 29-33” in length, and 1-2“ thick. Our cotton is woven into a soft jersey knit, making it a dream for your baby to sleep on. Make diaper changes a breeze with the side snap gowns. Unbutton the snaps at the bottom to change diapers without having to pull clothing over your baby's head. Easily re-snap when finished. When dressing lay baby on unsnapped gown and slip arms into the roomy sleeves. No need to sit baby up! The elasticized bottom helps keep tiny toes warm at night. Layer them with a sleep sack in the Winter or alone in warmer months. They fit most babies 0-6 months old. The sheets plus the matching gowns are an ideal gift combination for a newborn boy or girl.