Alvi Blue & White Striped Sleep Sack Inner Bag (70 / 6-9M)

This Alvi inner sleep sack in blue and white stripes is the lightweight companion to the Baby-Mäxchen system. Featuring a centre zip for easy access and a gentle pear-shaped design, it can be used alone on warmer nights or paired with the outer bag for cooler temperatures. Soft cotton keeps baby comfortable and secure for safe, restful sleep.

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Blueberry offers premium second-hand children's clothing you can trust. Every piece is hand-selected from brands like Petit Bateau, Jacadi, Bonpoint, and Ralph Lauren—at up to 80% off retail prices. We offer fast shipping, easy returns, and clothing in excellent condition, ready for its next adventure.

Have clothes to sell? Through our Sellback Program, we buy premium children's clothing in gently-used condition. It's a quick and easy way to clear out outgrown pieces, earn cash or store credit, and keep beautiful clothes in circulation -- no listings, no hassle.