The black cutout party mini dress is shown in the live gallery both with bare arms and with separate pale sleeves that reach over the hands. The source calls the sleeves detachable and mentions thumb holes. That makes the buying question more specific than choosing a black mini dress: what does the garment look like in each configuration, how do the sleeves attach or stay in place, and where will the central openings sit? The S–L chart helps with bust, waist, hip and total length, but it does not measure the openings, sleeves or open back.

Compare the two sleeve configurations

First decide whether you intend to wear the dress alone, with the glove-like sleeves, or both ways. The second gallery image shows the pale sleeves worn below the upper arm, while the dress neckline and shoulders remain exposed. Their visible contrast makes them a significant part of the look. The page describes detachable sleeves, but a photo cannot prove their fastening method or whether every order includes both pieces. Ask MAXCT to confirm the parcel contents, sleeve color, upper-arm opening, sleeve length and how the sleeves stay up before ordering specifically for that configuration. If you plan to dance or reach overhead, test a similar separate sleeve at home through those motions; visual placement while standing still is not evidence of retention in motion.

Map the dress chart to your reference mini

For S, the listed bust/waist/hip/length values are 70/64/80/83 cm. M lists 74/68/84/84 cm and L lists 78/72/88/85 cm. Bust, waist and hip each increase 4 cm per size, while total length rises just 1 cm. A buyer needing more room at the hip but hoping for a substantially longer hem should not expect a size change to do both jobs. Measure a fitted mini dress you already wear comfortably at the same landmarks, and compare its hem while standing, sitting and walking. Confirm whether the listed numbers are finished-garment circumferences or another flat-laid convention and where the 83–85 cm length starts.

Suppose your reference mini’s comfortable hip measures 86 cm and its hem is already shorter than you want. The chart places 86 between M’s 84 and L’s 88 cm, but L adds only 1 cm over M in listed length. You still need to check the hip ease and hem independently. The source names polyester and elastane without percentages or a measured stretch range, so the table cannot establish how the fabric behaves when seated.

Plan coverage around openings and the open back

The current image shows several openings down the front with gold-tone chain details, and the source calls out an open back. Choose an underlayer by checking where it appears through the front openings and at the back, not just whether it fits under the neckline. On a similar dress you own, mark the opening positions while standing and seated; then test a planned underlayer under ordinary room lighting. The listing supplies no opening dimensions, chain removability, attachment detail, back depth or wash instructions. Ask for close images of the actual garment and its care label if those points matter. The useful final choice is a size that works across the fitted bust, waist and hip, plus a confirmed sleeve package and coverage plan for the way you intend to wear it.