REGULAR STYLE SAME FIRMNESS BOTH SIDES DUAL FIRMNESS INFANT / TODDLER INTERNAL LAYERS CONVOLUTED FOAM ECO-FRIENDLIER STYLE MEMORY FOAM MATTRESS COVER ORGANIC COTTON ECO-FRIENDLIER CLOTH ANTIMICROBIAL 5-LAYER 3-LAYER Ultra II – 150 Coil 2-N-1 Classica I MOST FEATURES STYLE OF MATTRESS LOWEST COST Ultra II – 150 Coil 2-N-1 ViscoClassica ViscoClassica Classica I ViscoClassica Foam Supreme Diploma EcoSpring Ultra II Foam Supreme Classica III INNERSPRING FOAM INNERSPRING FOAM EcoSpring 2-N-1 EcoSpring 2-N-1 EcoClassica I – Org. Cotton EcoSpring 2-N-1 Diploma ; EcoSpring Ultra II EcoSpring 2-N-1 EcoSpring Ultra II ViscoClassica ViscoClassica EcoClassica I Classica III EcoVisco Classica Postura EcoClassica III EcoVisco Classica Postura EcoVisco Classica EcoFoam Supreme EcoClassica III EcoClassica I – O.C. Postura EcoFoam Supreme - Damask EcoVisco Classica EcoFoam Supreme - Damask OTHER NURSERY PRODUCTS MATTRESS PAD COVER Crib Fitted - Waterproof Porta-Crib - Waterproof EcoCover - Crib Fitted EcoCover – Crib – Org. Cot. CONTOUR CHANGING PAD 3-Sided Contour Pad EcoPad Contour Pad PORTA / MINI CRIB MATTRESS 24 X 38.5 X 3 EcoPad – 24 X 38.5 X 3 Crib Mattress Selection Guide Made in USA