




We offer free standard shipping to every province and territory in United Kingdom.
We offer free standard shipping to every province and territory in United Kingdom. No minimum purchase is required, and all orders include tracking for your convenience.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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 GROWNSY Transitional Swaddle Sleep Sack, crafted for babies typically 3 to 6 months and weighing 12–20 lbs. The starfish-inspired silhouette gently cradles the arms while reserving room for natural growth and rolling. A soft, breathable fabric helps little explorers stay comfortable as they adjust to new sleep patterns and positions.
The design aims to recreate a soothing, womb-like feel for restful nights and calmer naps. With a breathable fabric blend and thoughtful construction, this sleep sack supports a gentle startle reflex, helping your baby settle more calmly into arms-up sleep as they grow. The overall fit accommodates growing limbs without constriction, supporting a secure, snug feeling that isn’t restrictive.
Designed for real-life nights, this sleep sack offers practical benefits without promising guarantees. The dual zip design makes night-time changes faster and gentler, while the open foot feature helps manage temperature as your baby grows. The soft, breathable fabric keeps little bodies comfortable through varying sleep cycles and environments.
Fit is designed to adapt as your baby grows, with easy-care fabric that stays soft after regular washes. For best results, follow standard gentle washing and air-dry guidelines to maintain softness and structure over time.
Q: What ages is the GROWNSY Transitional Swaddle Sleep Sack suitable for?
A: Designed for babies 3–6 months, 12–20 lbs, with room to grow.
Q: How does the dual-zipper design help with diaper changes?
A: Two zippers plus a bottom opening allow quick, safe changes even during sleep.
Shipping (UK)
Returns & Refunds
Thanks for subscribing!
This email has been registered!