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Baby Long Sleeve Button Romper

Name: Baby Long Sleeve Button Romper
Brand: Senseng-apparel
SKU: K1230820-1
Price: 26.99 USD
Availability: InStock
Rating: 5.0 (5 reviews)

No.K1230820

Plant-dyed long-sleeve romper in breathable stretch jersey - 97% organic cotton / 3% elastane. Left-shoulder snap opening plus full crotch snaps for quick changes. Soft handfeel, easy to layer, ready for HK/US/EU/JP/AU climates.

Spring/Summer · Thin 25–32 °C (77–90 °F)

5.0 (5 Reviews)

69 Sold

$26.99

Received successfully

Coupon Code

CONTINUE SHOPPING

Free gift for every {K} item X

color:

natural flint gray

Gift Box + Printed Tissue + Brand Thank-you Card
size:

0-3m

3-6m

6-12m

12-18m

33*22*7CM (hold 3-5 pieces)

Quantity:

0 in stock

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Plant-dyed GOTS supplier yarn

Not sleepwear Lab tested

Plant-dyed palette — slight shade variation is natural; follow the care guide to reduce transfer.
Organic cotton yarn (GOTS supplier) — uses organic cotton yarn from a GOTS-certified supplier (TC available).
Lab tested — materials assessed against CPSIA & OEKO-TEX® Standard 100 (Class I) parameters; not a medical claim.
Daywear / playwear — not intended as children’s sleepwear.

See Certificates & Reports · Shipping & Delivery · Returns & Refund Policy

Plant-dyed

Not sleepwear Lab tested

Plant-dyed palette — slight shade variation is natural; follow the care guide to reduce transfer.
Soft on skin — smooth seams / tagless label design for comfort.
Lab tested — materials assessed against CPSIA & OEKO-TEX® Standard 100 (Class I) parameters; not a medical claim.
Daywear / playwear — not intended as children’s sleepwear.

See Certificates & Reports · Shipping & Delivery · Returns & Refund Policy

GOTS supplier yarn

Not sleepwear Lab tested

Organic cotton yarn (GOTS supplier) — uses organic cotton yarn from a GOTS-certified supplier (TC available).
Soft on skin — smooth seams / tagless label design for comfort.
Lab tested — materials assessed against CPSIA & OEKO-TEX® Standard 100 (Class I) parameters; not a medical claim.
Daywear / playwear — not intended as children’s sleepwear.

See Certificates & Reports · Shipping & Delivery · Returns & Refund Policy

Quality materials

Not sleepwear Lab tested

Quality materials — comfort-focused construction with smooth seams.
Care guidance — follow the care guide to preserve color and hand feel.
Lab tested — materials assessed to relevant safety parameters; not a medical claim.
Daywear / playwear — not intended as children’s sleepwear.

See Certificates & Reports · Shipping & Delivery · Returns & Refund Policy

Bundle & Save — auto-applied at checkout · Free shipping worldwide

2 for US$5 off · 3 for US$10 off · 4+ for US$15 off (capped). Gift-ready packaging: color-printed tissue wrap (no gift box, no message card).
All prices and charges are in USD; non-USD totals are converted at current rates during checkout.

Description

Key Features

Shoulder-snap opening for smooth on/off.
Through-leg crotch snaps make diaper changes fast without full undress.
Plant-dyed jersey in 97% organic cotton / 3% elastane — soft, breathable, gentle stretch (botanical dye, naturally dyed).
Flat seams and a tagless back label help reduce rubbing on delicate skin.
Daily essential for naps, strolls and play across humid HK and temperate US/EU seasons.
Made with organic-cotton yarn from a GOTS-certified supplier (TC available).

Brand: SENSENG · Style K1230850 · Long sleeve shoulder-snap romper · Plant-dyed organic-cotton stretch jersey

Materials & Care

Composition: 97% Organic Cotton / 3% Elastane (soft stretch jersey).
Dye method: Plant-dyed base tone; slight shade variation is normal.
Care: Turn inside out; wash cold on gentle with similar colors. No bleach/optical brighteners. Line dry or tumble low; cool iron if needed (avoid trims/snaps).

Uses organic cotton yarn from a GOTS-certified supplier (TC available). Natural shade and colorfastness variation are expected; follow the care guide to reduce transfer. Not a medical claim. See Certificates for CPC/SGS/CTT.

Quick links: Safety Guide | Certificates & Lab Reports | Why Plant-Dyed

▸ Common Care Questions

Shrinkage? Keep to cool wash and low heat or line dry to minimize.
Color aging? Plant dyes mellow gradually; avoid high heat and prolonged sun dry.
Snaps? Inspect before wear; fasten during wash to reduce twisting.

Fit & Sizing

Regular romper fit with room for diapers. Manual measurement tolerance ±1–2 cm. Between sizes? Choose the next size up.

▸ Size & Fit - Romper Size Chart

Size	Shoulder (CM/IN)	Length (CM/IN)	Bust (CM/IN)	Sleeve (CM/IN)	Weight (KG/LB)	Best For
0–3M	19 / 7.5	49.5 / 19.5	49 / 19.3	20.5 / 8.1	3.6–5.4kg · 8–12lb	Newborn essentials
3–6M	20 / 7.9	53 / 20.9	52 / 20.5	23 / 9.1	5.4–7.3kg · 12–16lb	Early explorers
6–12M	21 / 8.3	56.5 / 22.2	55 / 21.7	25.5 / 10.0	7.3–10.0kg · 16–22lb	Crawling stage
12–18M	22 / 8.7	60 / 23.6	58 / 22.8	28 / 11.0	10–12.2kg · 22–27lb	First walkers

FAQ

▸ Is it organic and plant-dyed?

Yes - organic-cotton jersey with a plant-dyed base tone and 3% elastane for gentle stretch.

▸ Are the snaps safe?

Snaps are securely set; check before wear and keep them fastened in the wash to reduce stress on stitching.

▸ First-wash tips

Wash inside out on cold with similar colors; line dry or tumble low.

▸ Seasonal use

Great solo for spring–autumn; layer over a bodysuit in cooler months for HK, US & EU climates.

Safety & Transparency

Organic-cotton base with infant-appropriate trims; no exaggerated health or barrier claims. Plant-dye note: slight shade variation and gradual mellowing are normal over time. Made with organic cotton yarn from a GOTS-certified supplier (TC available).

Use: Daywear/playwear only — not intended as children’s sleepwear.

Curious why we use plant dyes for babywear? Learn more .

Pairs with / Related

▸ Shopping Notice

Shipping & ETA: calculated by destination (US/UK/EU/AU/JP/HK). See Shipping & Delivery.
Processing time: Usually 1–2 business days (peak season +1–3 days).
Returns: 30-day returns for unworn items with tags; see Refund & Return Policy.
Support: service@senseng.net