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The Delta Children Twinkle Stars is a 3-inch mini and portable crib mattress with a thermo-bonded polyester fiber core and a waterproof vinyl cover. It measures 24 by 38 inches, weighs about 8 pounds, and is GREENGUARD Gold certified and made in the USA. It fits most mini cribs and portable cribs but not standard cribs or Pack 'n Plays. At $37.92 at Walmart as of November 8, 2026, it sits at the low end of what mini crib mattresses cost.
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Lowest price we've seen: $37.92 on Nov 8 at Walmart. Tracked across 1 store since Nov 8.
Owners of mini and portable cribs describe this mattress as a cheap, light, wipe-clean option that does the job for travel and short-term use. Some find the vinyl cover noisy and warm, and a few say the 3-inch pad feels thin.
Lightweight and portable, the Twinkle Stars 3-inch Mini/Portable Crib Mattress from Delta Children delivers comfort and support for baby at home or while traveling. Featuring a thermo-bonded polyester fiber core for firm comfort, this baby mattress will make any mini crib or portable crib a sanctuary for your little one. Its lightweight design makes it easy to change the sheets, maneuver or flip while its waterproof, vinyl cover blocks wetness to ensure that baby stays dry and comfy all night long. Fits most mini and portable cribs (NOT designed for standard cribs or Pack 'n Plays).
