MICHLEY Flannel Baby Sleeping Bag 4-5T (Size 120) – Unisex Wearable Sleep Sack

A Wearable Sleeping Sack That Grows With Your Baby

Meet the MICHLEY Flannel Sleeping Bag, a cozy wearable option designed for autumn and winter nights. Built to fit a growing little one, this sleep sack covers multiple ages with a practical size ladder—from early months to big kid stages—so it can accompany your child through several seasons without needing a complete change of wardrobe.

A fit that grows with your child

The set is offered in six sizes, spanning 9-18 months (size 80) up to 5-6T (size 130). The 4-5T option corresponds to size 120 in this listing. The design leaves room to grow, which may translate to fewer outfit changes at bedtime and calmer nights for both baby and caregivers.

• Room to grow for active toddlers while preserving warmth
• Feet opening and leg-splitting style support natural movement when awake

Cozy, breathable comfort

The outer fabric uses high-quality flannel that feels soft against delicate skin. It provides gentle warmth while remaining breathable, and it’s crafted to be free of harmful chemicals, offering peace of mind for night-time wear.

• Soft, breathable fabric keeps little ones comfortable
• Free of harmful chemicals for safer sleepwear

Easy to wear, safe and practical

The long-sleeve design helps retain warmth, and the flexible zipper makes dressing quick and smooth. The jumpsuit-like silhouette reduces tangling and makes transitions between sleep and play effortless, whether at home or outdoors in milder weather.

• Jumpsuit-like design with easy on and off
• Leg openings support comfortable movement without tangling

Fun designs and lasting durability

Seven charming animal motifs offer a playful bedtime vibe. The prints are washable and tend to soften with each wash, while staying gentle on baby skin and easy to care for on busy evenings.

• Seven animal designs for playful bedtime vibes
• Machine washable and becomes softer over time

Care and maintenance

Designed for busy families, this sleeping bag is machine washable and built to endure regular washing. With proper care, it can maintain warmth and softness across multiple seasons.