What size would be good for a 12 week old (ultimately medium sized) golden doodle puppy? Also, would this be too challenging for a pup that young?

I'm not sure. It depends on if your dog is a big size puppy or smaller. I bought this in medium for my full grown beagle and it fit perfectly. There is a size chart and you can measure your dog and then pick the size that fits best. That's what I did. Hope this helps

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California Costumes Dog Mail Carrier Costume USPS Large Blue

Product ID: 347362313

Details

Chest size
15 Inches
Minimum weight recommendation
0.6 Pounds
Neck size
20 inches
Occasion
Birthday New
Size
L

🎩Includes authentic USPS cap

📏Perfectly sized for large breeds

📦Velcro-attached foldable mail box

229.53 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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Description

📬 Deliver smiles with every wag – the ultimate dog mail carrier costume!

ICONIC USPS BRANDING - Official USPS logos on cap and shirt for instant postal street cred.
EFFORTLESS SPOT CLEANING - Low-maintenance care means more time for fun and less for cleanup.
LIGHTWEIGHT BREATHABLE - 100% polyester fabric keeps your dog comfy during all-day costume adventures.
TAILORED FOR LARGE BREEDS - Comfort-fit design ensures your big pup rocks the mail carrier look without fuss.
INTERACTIVE MAILBOX ACCESSORY - Foldable, Velcro-secured box adds playful realism and easy assembly.

This USPS Large Blue Dog Mail Carrier Costume by California Costumes features a combined shirt with attached stuffed arms, an authentic USPS cap, and a foldable Velcro-secured mail box. Designed specifically for large breeds, it offers a lightweight, breathable 100% polyester fabric for comfort and easy spot cleaning. Perfect for pet owners wanting a playful, high-quality costume that stands out in any social setting.

Specifications

ASIN	B07QST1FLJ
Batteries Included	No
Best Sellers Rank	#59,117 in Pet Supplies ( See Top 100 in Pet Supplies ) #616 in Dog Costumes
Breed Recommendation	Large Breeds
Care instructions	Spot Clean Only
Closure	Hook & Loop
Color	Blue
Customer Reviews	4.2 4.2 out of 5 stars (2,156)
Date First Available	21 September 2023
Item Weight	295 g
Item model number	PET20170 L
Material Composition	100% Polyester
Minimum weight recommendation	0.6 Pounds
Number of Items	1
Pet Life Stage	Pet
Pet Type	Dog
Product Dimensions	45.72 x 33.02 x 5.08 cm; 294.84 g
Quantity	1
Size	L
Special Features	Bequem, Leicht
Specific Uses	Behavior
batteries required	No

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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229.53 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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