Size: 21*12*19cm
Strap length: 14.5cm

- Zip main compartment, 2 front pocket, back zip pocket
- Waterproof
- Durable

* Instock item mail out within 24hrs hours upon order receive.
* Restock item will take 14 to 21… https://t.co/0mnAXRMVoD
<a href="http://instagram.com" rel="nofollow">Instagram</a>
East Region
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SIMEI
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['durable', 'main', 'waterproof', 'durable', 'mail', 'zip', 'zip']
size strap length main compartment front pocket back pocket waterproof durable item mail within upon order receive restock item will take
size 21 12 19cm strap length 14 5cm zip main compartment 2 front pocket back zip pocket waterproof durable instock item mail within 24hrs hours upon order receive restock item take 14 21
  [
    {"relatedness": False, "type": "product", "explanation": "This post is about a product for sale, not a maintenance report for a public flat house."},
    ]

The post does not relate to a maintenance report feedback to a public flat house. The post is about a product for sale, specifically a waterproof backpack with various features. Therefore, the answer is "False" for the "relatedness" field, and "product" for the "type" field, along with a brief explanation.