




Free standard shipping across the UK, with no minimum spend.
Free standard UK shipping on all orders. Orders are typically processed in 1–3 business days. The shipping policy estimates most UK deliveries at 5–10 business days; timings are estimates.
Tracking is provided where available. Read our shipping policy for details.
You can request a return within 30 days of receiving your order. Items must be unused, in their original condition and packaging. Hygiene and other exceptions apply.
Please contact us before sending anything back. See our returns and refunds policy for the full terms.
Deliveries to United Kingdom’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
Meet the Unnivoll fleece baby sleep sack, a wearable blanket designed to feel gentle against your baby's skin and keep them snug through cooler indoor days. Made from high-quality microfiber polyester, this sack comforts sensitive skin with a soft, plush touch from the outside to the cozy interior.
Safety you can trust is built into every detail. The sleep sack carries a certification from the Consumer Product Safety Commission (CPSC), reflecting a focus on a secure sleep environment and careful craftsmanship.
With a 2.0 tog rating, this sleep sack stands between cozy and breathable for indoor temperatures around 64–70°F (18–21°C). The fine surface fleece feels rich and soft, while the interior fleece thickens the warmth without adding bulk, helping your baby stay comfortable during long naps and night sleep.
Two-pack convenience supports busy evenings and simple laundry routines. The sack is machine washable and can be tumble dried on low, so cleanup is straightforward between wears.
Fit and sizing options grow with your baby. Starting with S (0–6 months), you can move up to M (6–12 months), L (12–18 months), and XL (18–24 months) as your little one grows. Always check height and weight against the size chart for the best fit.
In daily life, many parents notice a smoother bedtime routine when their little one stays comfortably covered without being restricted. The soft fleece, the breathable warmth, and the easy diaper-change features can fit into a calm evening routine without promising any guaranteed outcomes.
Q: What sizes are available for the Unnivoll fleece baby sleep sack?
A: Sizes include S (0–6 months), M (6–12 months), L (12–18 months), and XL (18–24 months).
Q: How should I care for the sleep sack?
A: Machine wash and tumble dry on low heat for easy care.
Shipping (UK)
Returns & Refunds
Thanks for subscribing!
This email has been registered!