This Little Dreamer crib mattress is hypoallergenic, safe, and healthy for little dreamers and their parents. Their dual firmness (extra firm infant side and firm toddler side), square corners and edges, clean lines, and quality ticking stand apart from all other mattress brands. No-toxic Medical grade nylon Safe, healthy and affordable Antimicrobial No taped edges Dropped side seams Dual level firmness Smooth surface and 5-inch thick design Weight: 11 pounds Care instruction: Surface wash Brand: Moonlight Slumber Model: LDMR100 Waterproof nylon fabric JPMA certified: Y Exclusive natural internal fire barrier which exceeds all planned Federal and State (including CAL TB 603) fire standards Materials: Foam/nylon fabric Dimensions: 5 inches high x 27.5 inches wide x 52 inches long