Vendor: Printify

Marvin the Martian "What Did I Do?" Tee

SKU: 99553597928847946873
Regular price $33.99 Sale price $33.99
New in
Color Navy
Size S
> In stock: 9999
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Description

This lightweight cotton tee brings playful nostalgia to everyday wear. A bold cartoon character stands at the center — helmet, mischievous stance, and the handwritten phrase “What Did I Do?” beneath — creating a wink of humor that reads as both retro and irreverent. The shirt’s relaxed, classic cut and breathable 100% cotton body make it comfortable all day, while the smooth print techniques ensure the artwork looks crisp and bright. Wear it to spark conversation, lighten a casual wardrobe, or lean into a laid-back, slightly cheeky vibe.

Product features
- 100% cotton solid colors with medium-weight 180 g/m² fabric for year-round comfort
- Tubular knit construction with no side seams for a cleaner silhouette
- Ribbed knit collar and shoulder tape to maintain shape and prevent stretching
- DTG and DTF printing for detailed, durable artwork (including sleeve and inner neck prints)
- OEKO-TEX® STANDARD 100 certified; tear-away label for scratch-free comfort

Care instructions
- Non-chlorine: bleach as needed
- Do not iron
- Do not dryclean
- Machine wash: cold (max 30C or 90F)
- Tumble dry: low heat

 

  S M L XL 2XL 3XL 4XL 5XL
Width, in 18.00 20.00 22.00 24.00 26.00 28.00 30.00 32.00
Length, in 28.00 29.00 30.00 31.00 32.00 33.00 34.00 35.00
Sleeve length (from center back), in 15.10 16.50 18.00 19.50 21.00 22.40 23.70 25.00
Size tolerance, in 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50

 



EU representative: HONSON VENTURES LIMITED, gpsr@honsonventures.com, 3, Gnaftis House flat 102, Limassol, Mesa Geitonia, 4003, CY

Product information: Gildan 5000, 2 year warranty in EU and Northern Ireland as per Directive 1999/44/EC

Warnings, Hazard: For adults, Made in Nicaragua

Care instructions: Machine wash: cold (max 30C or 90F), Non-chlorine: bleach as needed, Tumble dry: low heat, Do not iron, Do not dryclean


Everyday casual wear, summer outings, casual gatherings, weekend wear, and relaxed everyday styling.


Soft, comfortable cotton feel designed for everyday wear.

Gifts with a flourish

Orders can be prepared with a festive sleeve. Add gift wrapping to your order at checkout.

A gesture of thanks, for you

Receive a complimentary recycled-cotton tote bag with all orders over $120.

Return Policy

We offer refunds for all products returned within 30 days of purchase, in their unopened and original condition. 

Complimentary shipping

Enjoy easily tracked standard shipping on all orders, free of charge.

Customer Reviews

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Kaito L. Skincare Enthusiast

“The body lotion is my go-to after a shower. It absorbs quickly and keeps my skin hydrated all day. Plus, the subtle citrus scent is divine!”

Sophia L. Fashion Designer

"I’ve tried countless shampoos, but Serene’s Hair Care Collection has transformed my hair. It’s softer, shinier, and feels healthier than ever!"

Hanie T. Beauty Blogger

“The hand cream is an absolute game-changer. My hands feel deeply moisturized without that greasy residue. I always keep one in my bag!”

Oliver R. Beauty Consultant

“The hand cream saved my dry hands during winter. It’s lightweight but so hydrating—I’m obsessed with the lavender scent!”

Grace H. Artist

“I’ve been using Serene’s conditioner, and it works wonders on my frizzy hair. Even my barber noticed the improvement!”

Pairs Well With