Seren Black-Trim Washed Cotton Bedding Set
4.8 out of 5.0 stars 4.8 10 reviewsDescription
There's something quietly perfect about a bed that looks like it's been slept in by someone who reads good books and takes slow mornings. Seren is that bed — white washed cotton traced with a fine black outline, rumpled just right, already feeling like home.
Key Features
- 100% Washed Cotton: Pre-washed for a soft, gently crinkled finish that breathes well and only gets better over time — no ironing required.
- Fine Black Contrast Trim: A single clean line of black piping runs along every edge of the duvet cover and pillowcases, adding graphic definition without noise.
- Wavy Ruffle Edge Detail: The trim sits along a subtle wave edge — delicate enough to feel soft, structured enough to photograph beautifully.
- Tonal Blue Bedsheet: Paired with a muted blue-grey flat or fitted sheet that grounds the white-and-black palette with quiet warmth.
- Lived-In Texture: The washed cotton weave holds its relaxed drape naturally — no stiff break-in period.
Styling Tips
Seren belongs in a room that doesn't try too hard. Layer it with a chunky knit throw in oat or slate, a stack of paperbacks on the nightstand, and a single ceramic mug for morning coffee. Works equally well in Japandi, minimal Scandi, and quiet cottagecore interiors — the black trim is the detail that ties everything together.
Dimensions
Available in Small, Medium, Medium+, and Large. See our Size Guide to find your fit.
Care
Designed for easy, everyday care. See product tag for full care guidance.
Set Includes
- Small: 1× Duvet Cover, 1× Bedsheet, 1× Pillowcase
- Medium / Medium+ / Large: 1× Duvet Cover, 1× Bedsheet, 2× Pillowcases
Size guide
Find Your Perfect Fit.
Know your mattress size? Use the Compatibility Chart below. Unsure? Measure your mattress (Width × Length) first.
Standards supported: US/CA, AU/NZ, UK, EU.
1. Match Your Mattress Size (Compatibility)
Fitted sheets fit mattresses up to 30 cm depth.
| RoomDen Size | 🇺🇸🇨🇦 US / CA | 🇦🇺 AU | 🇬🇧 UK | 🇪🇺 EU |
|---|---|---|---|---|
| Small | Single / Twin | Single | Single | Single |
| Medium | Full / Double | Double | Double | Double |
| Medium Plus | Queen | Queen | King | Queen |
| Large | King | King | Super King | King |
2. Product Dimensions (cm)
| Size | Duvet Cover | Fitted Sheet | Flat Sheet | Pillowcases |
|---|---|---|---|---|
| Small | 150 × 200 | 120 × 200 | 180 × 230 | 48 × 74 (1x) |
| Medium | 200 × 230 | 150 × 200 | 245 × 250 | 48 × 74 (2x) |
| Medium Plus | 200 × 230 | 180 × 200 | 245 × 250 | 48 × 74 (2x) |
| Large | 220 × 240 | 180 × 200 | 245 × 270 | 48 × 74 (2x) |
3. Reference: Standard Mattress Sizes (cm)
🇺🇸🇨🇦 US / CA
| Name | W × L |
|---|---|
| Twin / Single | 99 × 191 |
| Twin XL | 99 × 203 |
| Full / Double | 137 × 191 |
| Queen | 152 × 203 |
| King | 193 × 203 |
| Cali King | 183 × 213 |
🇦🇺🇳🇿 AU / NZ
| Name | W × L |
|---|---|
| Single | 92 × 188 |
| King Single | 107 × 203 |
| Double | 138 × 188 |
| Queen | 153 × 203 |
| King | 183 × 203 |
| Super King | 203 × 203 |
🇬🇧 UK
| Name | W × L |
|---|---|
| Single | 90 × 190 |
| Double | 135 × 190 |
| King | 150 × 200 |
| Super King | 180 × 200 |
🇪🇺 EU
| Name | W × L |
|---|---|
| Single | 90 × 200 |
| Large Single | 120 × 200 |
| Double | 140 × 200 |
| Queen | 160 × 200 |
| King | 180 × 200 |
| Super King | 200 × 200 |
1. Match Your Mattress Size (Compatibility)
Fitted sheets fit mattresses up to 12" depth.
| RoomDen Size | 🇺🇸🇨🇦 US / CA | 🇦🇺 AU | 🇬🇧 UK | 🇪🇺 EU |
|---|---|---|---|---|
| Small | Single / Twin | Single | Single | Single |
| Medium | Full / Double | Double | Double | Double |
| Medium Plus | Queen | Queen | King | Queen |
| Large | King | King | Super King | King |
2. Product Dimensions (inch)
| Size | Duvet Cover | Fitted Sheet | Flat Sheet | Pillowcases |
|---|---|---|---|---|
| Small | 60" × 80" | 47" × 80" | 71" × 90" | 20" × 30" (1x) |
| Medium | 80" × 90" | 60" × 80" | 96" × 98" | 20" × 30" (2x) |
| Medium Plus | 80" × 90" | 70" × 80" | 96" × 98" | 20" × 30" (2x) |
| Large | 86" × 94" | 70" × 80" | 96" × 107" | 20" × 30" (2x) |
3. Reference: Standard Mattress Sizes (inch)
🇺🇸🇨🇦 US / CA
| Name | W × L |
|---|---|
| Twin / Single | 39" × 75" |
| Twin XL | 39" × 80" |
| Full / Double | 54" × 75" |
| Queen | 60" × 80" |
| King | 76" × 80" |
| Cali King | 72" × 84" |
🇦🇺🇳🇿 AU / NZ
| Name | W × L |
|---|---|
| Single | 36" × 74" |
| King Single | 42" × 80" |
| Double | 54" × 74" |
| Queen | 60" × 80" |
| King | 72" × 80" |
| Super King | 80" × 80" |
🇬🇧 UK
| Name | W × L |
|---|---|
| Single | 35" × 75" |
| Double | 53" × 75" |
| King | 59" × 79" |
| Super King | 71" × 79" |
🇪🇺 EU
| Name | W × L |
|---|---|
| Single | 35" × 79" |
| Large Single | 47" × 79" |
| Double | 55" × 79" |
| Queen | 63" × 79" |
| King | 71" × 79" |
| Super King | 79" × 79" |
Care
Shipping & Returns
Free Shipping
We offer free standard shipping to most regions, including the United States, Canada, the European Union, the United Kingdom, and Australia.
Order Processing
Orders are processed within 1–4 business days and ship from our Shanghai or New York warehouse.
Delivery Time
Delivery usually takes 3–7 business days, depending on the destination. Once your order ships, you will receive a tracking email with detailed delivery information.
Returns
Most items are eligible for return within 14 days of delivery when unused and returned in their original packaging.
Refunds may be issued to the original payment method or as store credit, minus a 30% restocking fee.
For hygiene reasons, bedding and intimate items are non-returnable unless defective upon arrival.
Read our Shipping Policy and Return Policy for full details.
Complete the room
