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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
Bopai 61-93318A Hard Shell Waterproof and Expandable Backpack with USB Charging Hole, Spec:, Regular (Silver), Password (Silver), Regular (Black), Password (Black)1. Material: PC, polyester 2. Function: waterproof, wear resistant, anti theft, shock resistant, capacity expansion, load reduction 3. Accommodates computer size: 17. 3 inches 4. The PC is pressed into one piece, and carbon fiber material is added, which is wear resistant and impact resistant. 5. The fan shaped half open bag design makes it more convenient to take items 6. The back adopts hollow groove design to enhance air convection and effectively
1. Material: PC, polyester
2. Function: waterproof, wear-resistant, anti-theft, shock-resistant, capacity expansion, load reduction
3. Accommodates computer size: 17.3 inches
4. The PC is pressed into one piece, and carbon fiber material is added, which is wear-resistant and impact-resistant.
5. The fan-shaped half-open bag design makes it more convenient to take items
6. The back adopts hollow groove design to enhance air convection and effectively dissipate heat
7. The backpack has a USB charging hole, which is more convenient to use
8. Size: Regular version: 30 x 47 x 8 cm, Password version: 30 x 47 x 11 cm
9. Weight: normal version: 1 kg, password version: 1.32 kg
10. Note: Only backpacks will be sent for delivery, nothing else!
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 1
Disappointed
Color: Gray, Size: Queen (2 Count)
Not cooling and bad fit.
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Reviewed in the United States on August 26, 2025
★★★★★ 5
They work!
Color: Gray, Size: Queen (2 Count)
They do keep my pillow cool!
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Reviewed in the United States on September 8, 2025
★★★★★ 4
Interesting pillowcase that does run cool to the touch
To begin: I'm a 64 y/o woman who still gets hot flashes, despite air-conditioning and a fan blowing on me at night. It's the sheets off then blankets on routine that so many of us know. I ordered this pillowcase hoping that I would find some kind of relief in the night, even it was only for my head.
The fabric is very unusual. It's a silky nylon blend, very swishy and soft. It reminds me of luxury, expensive women's lingerie. It's extremely slippery, moreso when you have your head on it; there certainly won't be any resistance or pulling on the hair all night.
I washed it before using it, put it in a mesh bag to protect it from getting snagged. It washed and dried as good as new. One thing to note: because it is so slippery the pillow may want to slide a little out of the pillowcase.
I slept quite well and did not experience any heat or sweating on it.
The reason for the 4* and not 5* is the price, at almost $20 it is a bit pricey for a rectangle of nylon fabric. I could see if it were real silk, but it's not. Otherwise it's exactly what it purports to be.
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Reviewed in the United States on July 29, 2025
★★★★★ 5
The perfect cooling pillows!!
Photo taken after about half of the filling was removed and many months of use. Still my favorite pillows ever!
I absolutely love these adjustable cooling pillows! They keep me cool all night long (must use without a pillowcase for cooling effect.)
They arrived with enough filling to make them super firm and extremely thick. They took several hours to fully puff up. I removed about half the filling to make a more plush pillow which I prefer and they’re still thick and comfy. They offer the perfect amount of support. I’m actually sleeping better!
Bonus: I saved the extra filling and used it to stuff throw pillow covers.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Comfy!
I did have to take some stuffing out for my comfort. After that it is amazing! Love that the pillow is cool!
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Reviewed in the United States on April 29, 2026