You won’t find it cheaper — $18.49 now (coupon for Banggood). 9.7”/13” Tablet Sleeve Bag Lightweight Laptop Handbag Simple Waterproof Notebook Inner Case Messenger Bag – Grey 13.3”.
Updated:
Banggood
Warehouse in China.
Link: 13inch Tablet Sleeve Bag
Price: $18.49
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
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Price history and price alert
Here is price history (for all/most countries) for 13inch Tablet Sleeve Bag. The lowest price was: $14.99.
Price records source(s): Banggood
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).