{"product_id":"simmons-kids-slumbertime-naturally-4-inch-mini-crib-mattress-firm","title":"Simmons Kids SlumberTime Naturally 4-Inch Mini Crib Mattress - Firm","description":"\u003cp\u003eOur review of the Simmons Kids SlumberTime Naturally 4-Inch Mini Crib Mattress finds it best for parents who need a simple, safe, and compact mattress for a mini or portable crib. The single biggest reason to buy is its firm, hypoallergenic fiber core that offers steady support for infants, combined with a naturally blended cotton cover and waterproof backing for easy cleanup. This mattress is designed specifically for mini and portable cribs at 38L x 24W x 4H, and it focuses on safety and low chemical emissions rather than luxury padding.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact fit:\u003c\/strong\u003e Measures 38L x 24W x 4H so it fits most mini and portable cribs without extra trimming or folding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirm support:\u003c\/strong\u003e Hypoallergenic fiber core made from recycled bottles provides a consistently firm surface recommended for infant safety and spinal support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof cover:\u003c\/strong\u003e Naturally blended cotton cover with waterproof backing protects the core from spills and simplifies surface cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-toxic construction:\u003c\/strong\u003e Built without harmful materials or chemicals so parents can feel confident about the mattress composition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety certifications:\u003c\/strong\u003e GREENGUARD Gold Certified and compliant with flammability, lead, phthalate and CPSIA testing to help reduce indoor chemical exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the US:\u003c\/strong\u003e Domestic manufacture can simplify quality expectations and supply chain transparency for buyers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis mattress is ideal for parents and caregivers shopping for a replacement or spare mattress for a mini crib, bedside bassinet-style setup, or portable travel crib where standard crib mattresses are too large. Its firm, hypoallergenic core and waterproof cover suit newborns and older infants who need a stable sleeping surface and easy cleanup.\u003c\/p\u003e\n\u003cp\u003eThose who want a plush, pillow-top feel or a mattress sized for standard cribs or pack 'n plays should look elsewhere, since this model is specifically 38L x 24W x 4H and emphasizes firmness and safety over softness or larger dimensions.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFirm, hypoallergenic fiber core supports infant safety and spinal alignment.\u003c\/li\u003e\n\u003cli\u003eWaterproof cotton cover simplifies cleaning and protects the mattress interior.\u003c\/li\u003e\n\u003cli\u003eGREENGUARD Gold certification and compliance testing reduce concerns about chemical emissions.\u003c\/li\u003e\n\u003cli\u003eCompact dimensions fit most mini and portable cribs without modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAt 4 in thick and firm, it is not designed for parents seeking a softer or more cushioned sleep surface.\u003c\/li\u003e\n\u003cli\u003eNot suitable for standard cribs or pack 'n plays, so careful measurement is required before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eSimmons Kids SlumberTime Naturally 4-Inch Mini Crib Mattress\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e38L x 24W x 4H in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eNatural cotton with waterproof backing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore\u003c\/td\u003e\n\u003ctd\u003eHypoallergenic fiber core made from recycled bottles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eGREENGUARD Gold; meets flammability, lead, phthalate and CPSIA testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Simmons Kids SlumberTime Naturally 4-Inch Mini Crib Mattress is a practical, safety-focused choice for parents who need a firm, compact mattress for mini or portable cribs. It offers reliable support, a waterproof cotton cover, and strong safety certifications, making it good value for buyers prioritizing infant safety and easy maintenance over plush comfort.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my mini crib?\u003c\/strong\u003e\u003cbr\u003eMeasure your crib interior first; the mattress measures 38L x 24W x 4H and fits most mini and portable cribs but not standard cribs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the cover waterproof?\u003c\/strong\u003e\u003cbr\u003eYes, it has a naturally blended cotton cover with a waterproof backing to protect the core from spills.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it safe for newborns?\u003c\/strong\u003e\u003cbr\u003eYes, the firm hypoallergenic fiber core and GREENGUARD Gold certification make it appropriate for infant sleep when used with proper bedding and crib safety practices.\u003c\/p\u003e","brand":"Delta Children","offers":[{"title":"Default Title","offer_id":48625203970267,"sku":"B08FZHHB3R","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51SL5uiSi8L._SX300_SY300_QL70_FMwebp.webp?v=1778477300","url":"https:\/\/gearmusthave.com\/products\/simmons-kids-slumbertime-naturally-4-inch-mini-crib-mattress-firm","provider":"GearMustHave","version":"1.0","type":"link"}