几句英文翻译，要求人工翻译，不要机器翻译，太抽象了

We want to order a custom drawstring pouch bag in fabric (velvet or other fabric?).
我们想订购一个定制型拉绳手袋（天鹅绒或者是其他面料？）

Size 150mm x 70mm, with a kind of round base diameter 30mm (it does not have to be perfectly round).
大小 150mm x 70mm，底部大概是圆形，直径30mm （不需要非常圆）

A cord at the top to close the bag: 2 cord, each about 130mm long (when tight, the 2 cords are about 250mm wide!).
带口可以用拉绳系紧，两条拉绳，每条大约130mm长，当拉紧，两条绳子差不多250mm宽。

We need 5.000 to begin, after we could need 20.000 to 50.000
一开始我们需要5000只，后面可能还需要20000 到 50000 只