What is this descriptor of a bag?


**What is this descriptor of a bag?**

I know the first line is "Bag.", but what's the second?

[![enter image description
here](https://i.stack.imgur.com/yDtmB.jpg)](https://i.stack.imgur.com/yDtmB.jpg)




It says:

> ケロヨンストラップ[付]{つき}。 Comes with Keroyon (cell phone?) charm/strap.

ケロヨン↓

[![](https://i.stack.imgur.com/AzH8S.jpg)](https://i.stack.imgur.com/AzH8S.jpg)  
(source:
[naganoblog.jp](http://img01.naganoblog.jp/usr/n/a/w/nawateribbit/IMG_0912.JPG))

