How Many Sides?
Standard mattresses have 4 sides. V-berths, cut corners, and irregular yacht berths will have more. Choose your side count — you'll drag the shape to match your mattress in the next step.
Draw Your Shape
Drag the gold handles to match your mattress outline. Each handle is labeled with a letter — those letters will match your measurement form in the next step.
Measurements & Fabric
Measure each labeled side in inches, then add the corner-to-corner diagonal measurements. Take your time and double-check.
- Measure the top surface of the mattress only — not around the edges or sides.
- Use a flexible steel tape measure and keep it flat against the mattress surface.
- For each side length, measure edge to edge along the top face of the mattress.
- For diagonal measurements, stretch the tape from corner to corner across the top surface.
- Measure twice, submit once.
Review & Submit
Review your spec, then add to cart and continue shopping or check out.
Custom fitted sheets are cut and sewn to your exact specifications. Once in production, they cannot be remade due to measurement errors. CrewLinens is not responsible for sheets that do not fit correctly due to inaccurate measurements provided by the customer. Please review every dimension carefully before submitting.
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Questions? 954-622-9300