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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
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Description
TOPOW ST-300 Step Up / Down Transformer (300W)300W Max. Power Converts 110 120V to 220 240V Converts 220 240V to 110 120V Includes US Plug Adapter Includes Extra Fuse Use your electronics in more places with the 300W ST 300 Step Up Down Transformer from TOPOW . This device converts 110 120V rated appliances for use on 220 240V power grids or converts 220 240V rated appliances for use on 110 120V power grids. A European power cord is attached, and a US plug adapter and extra fuse are included.
- 300W Max. Power
- Converts 110/120V to 220/240V
- Converts 220/240V to 110/120V
- Includes US Plug Adapter
- Includes Extra Fuse
Use your electronics in more places with the 300W ST-300 Step Up / Down Transformer from TOPOW . This device converts 110/120V-rated appliances for use on 220/240V power grids or converts 220/240V-rated appliances for use on 110/120V power grids. A European power cord is attached, and a US plug adapter and extra fuse are included.
| Voltage | 110/120 to 220/240 V, 220/240 to 110/120 V |
| Maximum Wattage | 300 W |
| Dimensions | Not specified by manufacturer |
| Weight | 6.5 lb (2.9 kg) |
| Packaging Info | |
|---|---|
| Package Weight | 6.2 lb |
| Box Dimensions (LxWxH) | 6.5 x 5.4 x 4.2" |
In the Box
TOPOW ST-300 Step Up / Down Transformer (300W)
- Extra Fuse
- European to USA Plug Adapter
- Limited 90-Day Warranty
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
4.1 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Very firm and durable
Color: Cool Grey, Size: 24x24x12 inch
worked great for husbands surgery recovery. Very affordable, firmness was great, looked nice on the bed and also used it for the grandkids when they were watching a movie. Moved around with ease. Didn't use it to sleep with all night though. He could only make it half the night but that wasn't the pillows fault. It was the cast on his arm. Definitely did its purpose after surgery and the need to sit up in bed more. highly recommend
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Sasstie Wedge Pillow
Color: Cool Grey, Size: 24x24x12 inch
Perfect. I used it when I was recovering from hip surgery. Relieved a lot of pain in my hip and knee at a time when I needed relief.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
comfortable and firm!!
Size: 57 Inch, Color: Light Grey, Size: 57 Inch, Color: Light Grey
this pillow is huge i’m 5’8 and it’s perfect, as soon as i laid down it relived pressure in my back, i get hot fast and you can feel the cooling silk like texture, it’s weighted aswell, as soon as i opened it, it fluffed up an it’s been about 2 hours since and it’s already huge, it says 24-48 hrs to fluff up fully but idk how much bigger it could get lol it’s definitely worth the few extra dollars
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Reviewed in the United States on April 14, 2026
★★★★★ 5
I must have for pregnant women! Definitely helps sleep and comfort for sleeping!!
Size: 57 Inch, Color: Light Grey, Size: 57 Inch, Color: Light Grey
I do love this pillow, it does take up a lot of space on my queen bed! But when I wrap my legs around the pillow, it gives me much relief on my back! It also has basically a built-in pillow so you don’t even need to use a pillow! I love that I was able to unzip the outer material and wash it! You can use it to sit up and support your back, and when the baby comes, you can use to help with feeding! sometimes I have to turn it completely on the other side if I want to turn over, it’s big!! heavy! Very soft! Not flat at all! Firmness is great! Height is great! I highly recommend! I’m also five months! i got it about 2 months ago!!
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Buy this one!
Size: 65 Inch, Color: Light Grey
This was a great buy! I looked through many many different options before buying and this one was the one I chose. Definitely a good choice. It keeps its shape and is cool to the touch which is amazing for a hot sleeper. It helps so much with my sore hips being 7 months pregnant. Fits great on my queen size bed with room still got my partner to sleep comfortably as well. Definitely recommend!
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Reviewed in the United States on May 19, 2026
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