D+有delivery plus外送箱升級之涵義，同時諧音台語的「在這」，希望讓消費者一眼看到我們的外送箱。
D+觀察到外送員騎行時，常因趕外送時間騎行快速，後方箱體龐大擋住尾燈 ，而使後方騎士無法清楚辨識外送員去向而發生事故。故D+將箱體兩側增加機車方向燈連動，燈光秀安全醒目亦可成為時尚裝飾。現有外送箱為了宣傳貼滿各式各樣廣告，有的又加上led燈，整體看起來風格不搭不美觀，D+後方改使用電子紙，時尚應用方便外送廣告投放。
布製外送箱的安裝動作複雜，纏繞的不夠緊可能在騎行時晃動箱體變形，內部空間分化不多無法固定外送物，導致外送物溢出，因此D+主體採用硬殼。配合外送法規，內部空間上下隔層使外送物冷暖分開更衛生，D+上方有小門結合內部小架，能使外送員將急單放入小架，一次提起送至大箱無法進去之目的地。小架空間可容4杯飲料杯，亦可用來固定飲料杯。未來考慮使用環保紙漿製作小盒，使之可以直接整盒送給客人。
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The meaning of D+ stands for "delivery plus" and also sounds like "in here" in Taiwanese, with the hope of making our delivery boxes easily recognizable to customers at a glance. D+ has observed that delivery drivers often ride quickly to meet their delivery times, and the large box behind them can block their taillights, making it difficult for riders behind them to clearly see where the delivery driver is going and leading to accidents. Therefore, D+ has added motorcycle direction lights on both sides of the box, which can flash in sync, making the lights not only safe but also stylish. Existing delivery boxes are often covered in various advertisements and some have added LED lights, making them look mismatched and unattractive. D+ has opted to use electronic paper on the back instead, making it easy to apply stylish designs and advertisements for delivery purposes.
The installation of fabric delivery boxes is complex, and if they are not wrapped tightly enough, the box may become deformed and shake during riding. The interior space is divided into few compartments, making it difficult to secure the delivery items, leading to spills. Therefore, D+ uses a hard shell for the main body of the delivery box. To comply with delivery regulations, the internal space is separated into upper and lower compartments to keep hot and cold items separate for hygiene. There is a small door on the top of the box, combined with an internal shelf, which allows delivery drivers to put urgent orders in the shelf, and then carry them to the destination that the large box cannot fit in one go. The shelf can hold up to four cups and can also be used to secure drinks. In the future, D+ plans to use environmentally friendly pulp to make small boxes that can be delivered directly to customers.
