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501 E. Washington Blvd. Suite #2
Los Angeles, CA 90015
Call/Text: 213-400-7464 (Spanish available)
POLY USA 8378 Simple Mother of the Groom Dress – Elegant Off-Shoulder Evening Gown
The POLY USA 8378 Simple MOB Dress is a stunning choice for mothers of the groom, bridesmaids, and formal event attendees. Designed to combine elegance with comfort, this off-the-shoulder evening gown features 3/4 long sleeves and a flattering mermaid silhouette that enhances every figure. Crafted from stretchy, fully lined fabric, it ensures a perfect fit while offering ease of movement. The dress includes a short train for a graceful touch and a convenient back zipper closure for effortless dressing. Its timeless, simple design makes it ideal for weddings, formal events, and special occasions where sophistication is key.
Key Features:
Off the Shoulder 3/4 Long Sleeves: Adds elegance and a modern touch
Stretchy Fabric: Comfortable fit that moves with you
Soft Cup Padded Inserts: Offers subtle shaping and support
Fully Lined: Smooth, high-quality interior finish
Short Train: Adds a graceful flair without excess bulk
Mermaid Silhouette: Flattering and feminine shape
Back Zipper Closure: Easy to wear and secure
Simple & Elegant Design: Timeless style suitable for any formal occasion
Perfect For:
Mother of the groom dress
Bridesmaids gown
Wedding guest attire
Mother of the bride dress
Evening gowns and formal events
This POLY USA 8378 MOB dress is the ultimate combination of comfort, sophistication, and classic style, making it a must-have for wedding celebrations and formal gatherings.
|
XS
|
S
|
M
|
L
|
XL
|
2XL
|
|
|
BUST
|
32.5
|
34.5
|
36.5
|
38.5
|
41
|
44
|
|
WAIST
|
24
|
26
|
28
|
30
|
33
|
37
|
|
HIP
|
35.5
|
37.5
|
29.5
|
41.5
|
44
|
48
|
At FormalDressShops.com, we aim to provide a smooth and efficient shipping experience. Orders are processed and shipped within 1-2 business days (Monday through Friday), as these are the operating days for our shipping carriers. Signature is required upon delivery for high value orders ($500 USD & Up).
Delivery times depend on your location and the shipping method you select. Please take a look at the chart below.
USA |
||
|---|---|---|
| All Orders | Free Shipping | 2-6 Business Days |
| Standard | $9.99 | 1-5 Business Days |
| Expedited | $39 | 2-3 Business Days |
| Overnight | $59 | 1-2 Business Days |

(Shipping time starts when your order is ships. Please allow 1-2 business days for processing)
Yes, we ship do worldwide via FedEx! International delivery typically takes 3-10 business days, plus any additional time required for customs clearance. Please be aware that your country may impose import taxes or duty fees, which are outside of our control and based on local regulations.
| CANADA | INTERNATIONAL | ||||
|---|---|---|---|---|---|
| Orders $399 & UP | Free Shipping | 6-10 Business Days | Orders $399 & UP | Free Shipping | 6-10 Business Days |
| Standard | $39 | 5-9 Business Days | Standard | $59 | 5-9 Business Days |
| Expedited | $59 | 3-5 Business Days | Expedited | $79 | 3-5 Business Days |

We offer free curbside pickup for local customers (Monday through Friday). Simply contact us with the item you’d like to purchase, and we’ll let you know when it will be ready for pickup.
If you have any questions about shipping, feel free to reach out—we’re here to help!
We accept returns and exchanges, please refer to our return policy page for more details. Learn more
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From premium quality to reliable sizing and fast U.S. shipping — everything is designed to help you choose the perfect dress with total confidence.
501 E. Washington Blvd. Suite #2
Los Angeles, CA 90015
Call/Text: 213-400-7464 (Spanish available)
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Discover how our evening and formal dresses look in real life — trusted by customers for quality, fit, and confidence on every special occasion.