The black dress with sequin lantern sleeves puts its most visible detail on the arms: the current gallery shows a plain dark center and colorful sequins on the full sleeves. The selector offers XL through 5XL. For sizing, the most useful surprise is in the waist column. Bust and total length advance evenly across all five rows, but the listed waist jumps 6 cm from 3XL to 4XL instead of 4 cm. That difference is worth checking if your reference dress falls near those two labels.

Read the waist step instead of assuming uniform grading

The source lists XL at 114 cm bust, 106 cm waist and 108 cm length; 2XL at 118/110/109; 3XL at 122/114/110; 4XL at 126/120/111; and 5XL at 130/124/112. Bust grows 4 cm and length 1 cm at every step. Waist grows 4, then 4, then 6, then 4 cm. A shopper comparing a known dress with a waist measurement between 114 and 120 cm should therefore ask how the 3XL and 4XL figures were taken. The source does not identify them as body or finished-garment measurements, so the larger 4XL step cannot by itself prove which size will feel comfortable.

Use a reference dress at the waist and arm

Lay flat a dress you already like and measure it at the bust and narrowest waist, noting the height of each point. Ask MAXCT whether the published chart uses the same convention. If your reference falls near the 3XL/4XL boundary, request flat measurements for those two actual garments rather than interpolating between labels. Compare the 108–112 cm listed lengths with a reference dress only after confirming where the product length starts. The gallery shows the hem on one model, not the coverage it will give at another height or seated position.

Measure a blouse with full sleeves that you can move in comfortably: note upper-arm width, cuff opening and where its sleeve ends. The dress chart has no sleeve or armhole dimensions, despite the lantern shape being central to the design. Request those measurements if you need to layer a jacket over the sequins or want a particular amount of arm room. The source names polyester, but does not provide fiber percentages, lining, closure or sequin-care instructions. The photo can establish visible sleeve decoration, not how the inside feels against the arm or how the dress closes.

Keep styling separate from fit

A plain bag or shoe can leave the sequin sleeves as the main visual detail; that is an outfit suggestion, not a test of the garment. First confirm the waist-chart convention and sleeve dimensions, then decide whether the length and decorated arms work for your intended outfit. This order respects the one unusual size step without inventing ease, stretch or performance that the listing does not document.