




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 David's Kids Muslin Cotton Sleep Sack in 18-24 months, a lightweight wearable blanket designed for summer use. Constructed from 60S long staple cotton muslin, the fabric feels pleasantly soft against delicate skin and offers natural breathability that helps your baby stay comfortable through the night. The set includes two sleep sacks, giving you convenient options for daily use and quick changes while keeping laundry days simple. With a TOG 0.5 rating, these sacks are tuned for warmer environments without adding bulk, so your little one can rest with freedom and ease. The whale motif adds a gentle touch of whimsy to bedtime routines, without compromising practicality or safety.
The sleep sacks feature a roomy bottom space that provides legroom and freedom to kick, while the sleeveless cut allows tiny arms to move naturally. This combination supports comfortable positioning and helps your baby transition between sleep positions with ease. A durable two-way zipper lets you zip from the top for quick changes, or from the bottom for diaper access, while a protective layer guards against scratches. The result is a practical, high-utility option that fits into busy parents’ routines without fuss.
Designed to withstand daily wear, the fabric is double-knitted for enhanced softness and resilience. It stays soft with each wash and resists pilling, shrinking, or edge curling. You can count on machine washing at low temperatures and gentle drying, with a simple no-bleach care routine to extend the life of the sleep sacks. OEKO-TEX Standard 100 certification adds an extra layer of reassurance for families seeking fabric that meets high safety and quality standards.
While no garment can guarantee specific outcomes, this sleep sack offers a simple, dependable option for warmer nights. The combination of breathable muslin, a comfortable fit, and easy-care care makes it a versatile addition to your baby’s wardrobe, suitable for everyday use during the warmer months.
Q: Is this sleep sack suitable for summer nights?
A: Yes. TOG 0.5 and breathable muslin cotton help keep babies comfortable in warm weather.
Q: What comes in the package and how should I wash it?
A: The set includes two sleep sacks. They are machine washable on gentle, with low-heat drying.
Shipping (UK)
Returns & Refunds
Thanks for subscribing!
This email has been registered!