Measure over underwear with a soft tape: bust at the fullest point, waist at the narrowest point, hips at the fullest point. When you’re between sizes on fitted pieces (corsets, bodycon dresses), size up. Every product page has its own fit note.
Women’s — inches
| Size | US | Bust | Waist | Hips |
|---|---|---|---|---|
| XS | 0–2 | 32–33 | 24–25 | 34–35 |
| S | 4–6 | 34–35 | 26–27 | 36–37 |
| M | 8–10 | 36–37 | 28–29 | 38–39 |
| L | 12–14 | 38–40 | 30–32 | 40–42 |
| XL | 16 | 41–43 | 33–35 | 43–45 |
| 1X | 14W–16W | 43–45 | 36–38 | 45–47 |
| 2X | 18W–20W | 46–48 | 39–41 | 48–50 |
| 3X | 22W–24W | 49–51 | 42–44 | 51–53 |
Still unsure? Email petersplexltd@gmail.com with your measurements and the item, and we’ll tell you which size to order.