I would give it a 5 except for the combination part. I couldn't find the instructions and did not think to come to Amazon because I did not think they would be public. I did a little online research and found some ideas so I started trying it and it worked I was able to change the combination from 000 to something else but it was not the numbers I selected for some reason the number I selected when I let go the little latch and scrambled them that became the new combination and I wasn't paying attention so then I couldn't unlock it anymore.
I then had to start trying all the possible combinations starting with 000, 001, 002, etc. I finally got to the correct combination and when I was able to one lock the bag again I did the exact same thing and again tried to use the combination I wanted and the exact same thing happened so I had to do the going through the combinations all over again so I am not really clear at what point the combination takes so that it will become the commination so I am stuck with a combination I didn't want but it is no longer 000.
Besides the combination issue the bag seems pretty nice I have yet to fill it it looks spacious not so big not so small I just hope it's enough for all my gear otherwise I will have to make it work but it is nice I am excited about the portable charger on it.
The material is also very nice and soft the patting is great and I love the extension a feature to make the bag bigger and also all the little inside pockets.
RIONA 笔记本电脑背包 14.1 英寸 Daypack 带编码的防盗带 USB 端口/防水尼龙公文包笔记本电脑包平板电脑适用于学院/旅行/商务/体育RIBP1768Black Fits up to 14.1'' laptop with lock
- ＆＃x2605; 顶口材质：由防水、防撕裂和防刮擦的时尚涤纶面料制成，内衬完整，持久耐用和舒适。 背包背带和肩带具有超厚透气网垫。 减轻肩部和背部压力。 夏天携带时也能保持透气性。
- ＆＃x2605; 外部 USB 接口：内置电缆设计的 USB 接口，轻松在任何地方通过连接自己的移动电源，无需在行走时打开背包即可为您的电子设备充电。 旅行时电池永远不会用完。
- ＆＃x2605; 防盗密码锁：与密码锁配套，有助于防止盗窃，保护您的钱包和其他物件*无忧。 无需担心当您装上或休息时，拉链口袋会打开。 （图示为*新图片，锁定使用手册。）
- ＆＃x2605; 轻便的设计和方便携带：顶部抓握手柄提供快速抓取的风格。 多片式气流设计提供额外的网状填充物，舒适度*后背支撑。 肩带也为网格衬垫，可根据您的方便进行调整。 行李箱套让背包适合行李或手提箱，方便携带。
- ＆＃x2605; 易整理物品：39.88 厘米 x 31.24 厘米 x 15.24 厘米（长*宽*高）。 重量：0.8 千克/1.76 磅多隔层。 一个单独的笔记本电脑隔层可以容纳*大 14.1 英寸笔记本电脑（这个尺寸可采用魔术贴调整）。 主隔层可以容纳衣服、书籍、杂志钱包或其他贵重物品。 字体拉链口袋可以存放您的小物品（用于纸巾/钥匙/耳机）。 几个功能性口袋（包括设计笔 / 刷子）让您可以保持所有装备的*并整齐。
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美国亚马逊： 28 条评论
Be very careful trying to change the combination2018年8月29日 - 已在美国亚马逊上发表
Perfect for anyone!2018年5月10日 - 已在美国亚马逊上发表
I am in love with this backpack! I searched for so long for a backpack that wasn't too big but could still fit just what I needed and this is it. Its even expandable to allow for more space and has lots of pockets to organize everything. Not only does it have a lock built into the back but the zippers allow for an additional lock if you want your bag even more secure. The outer USB port is perfect for charging my phone while I'm out and about. I plan on using this everyday so I'll update in a little while on how it holds up to every day abuse.
Pretty Good2019年1月9日 - 已在美国亚马逊上发表
This back pack is just "ok". You get what you pay for. There are no instructions as to how to lock it, so I'll have to Google that, but it seems durable, and serves the purpose. The pocket on the front is very small, not even my full size wallet will fit in there, but the pockets inside are good.
DO NOT USE THE LOCK!2019年5月10日 - 已在美国亚马逊上发表
Changed lock from standard combination. Tested lock a few times after changing combination and it worked successfully. Locked backpack only to find a few hours later that the combination no longer works. Looks like i’ll have to break the lock just to get back in the bag.
Excellent design and high quality2018年5月1日 - 已在美国亚马逊上发表
The backpack is well designed with various compartments：the usb charger outlet，the lumbar area hidden zip pocket，the passcode lock and etc，let alone the padded straps and waterproof material at the front. Very functional and compact，will recommend！