Unnivoll Baby Sleep Sack 12-18 Months - 1.0 Tog Cotton Wearable Blanket with 2-Way Zipper

Safe, Comfortable Sleep for Your Little One

Meet the Unnivoll Baby Sleep Sack, a 100 percent cotton wearable blanket designed to keep toddlers cozy through naps and night sleep. Certified by the Consumer Product Safety Commission, this sack supports a secure sleep environment while staying gentle on delicate skin.

Soft Skin Friendly Fabric

Made from 100 cotton, the fabric breathes and feels gentle against sensitive skin. A preshrinking process minimizes shrinkage after washing, helping the sleep sack maintain its fit and warmth wash after wash.

• 100 cotton for a natural, breathable feel
• CPSC certified safety
• Preshrunk to reduce post wash shrinkage

Warmth That Adapts to Indoor Comfort

With a 1.0 Tog rating, the sack is suited for indoor temperatures around 68℉–75℉, providing steady warmth without heavy layers. This makes it a versatile choice for spring through fall.

• Ideal for 68℉–75℉ rooms
• Maintains comfortable warmth without overheating

Smart Design for Easy Nights

A premium two way zipper lets you change diapers without fully exposing your baby. A soft zipper protector shields the chin from scratches, while the sleeveless cut reduces overheating and keeps little arms free for natural movement.

• 2 way zipper for quick diaper changes
• Top zipper guard protects the chin
• Sleeveless style encourages airflow and freedom of movement

Roomy Yet Secure Fit

The sleep sack offers ample space for kicking while staying securely in place, supporting comfortable sleep and gentle hip movement as your child grows.

• Roomy design that cannot be kicked off
• Hip friendly for natural development
• Warmth retained without bulk

Growing With Your Child

Choose from four sizes S M L XL to align with your toddler growth. Each size lists typical weight guidance to help you pick the right fit for boys and girls alike.

• S 0-6 months 10-18 pounds
• M 6-12 months 16-24 pounds
• L 12-18 months 22-28 pounds
• XL 18-24 months 26-34 pounds

Care and durability are built into the design. Use this sleep sack as a dependable bedtime layer for restful nights and predictable naps. For best results, follow the care instructions to maintain softness, fit and warmth over time.