What size should I get ?

Check out our handy size chart in the listing—it’s got all the deets! 🧵 Most of our items are unisex For a fitted look, size down.

Which brands do you use for your tees ?

We use only the best for our Mars Crew: Gildan, Bella Canvas, and Comfort Colors—paired with premium vinyl-DTF and heat press for top-tier quality. 💯

What are the product details ?

Tees, hoodies, baby suits, and more come in a variety of fits, with most styles being unisex and designed for all-day comfort. Solid Colors: Comfort Colors: 100% ringspun cotton for a soft, vintage feel. Gildan: 100% preshrunk cotton for durability and consistency. Bella Canvas: 100% combed and ring-spun cotton for a premium, soft touch. Heather Colors: Bella Canvas: 52% combed and ring-spun cotton / 48% polyester for a balanced stretch and softness. Gildan & Comfort Colors: Poly-cotton blends that vary by shade, offering a durable yet soft feel. Additional Features: Shoulder taping for extra durability. Side-seamed fit for a flattering silhouette. Tear-away labels for itch-free wear.

1. Flip through the product pics and pick your fave size & color options. 2. Use the dropdowns to lock in your choices. 3. Add it to your cart like a boss and place your order. 4. Sit tight while we whip up your custom creation and ship it straight to your door.

When will I get my order ?

Processing Time: 1–3 business days (holidays may cause slight delays). Custom orders might take a little longer for design approval. Shipping Time: First Class: 1–5 business days. Priority Shipping (with tracking): 2–3 business days. Got custom requests? Clear instructions on what to add, remove, or personalize will help us speed up production. 🚀

How do I take care of my Mars Gear ?

1. Wash inside out in cold water. 2. No bleach, 3. No dry cleaning, 4. No ironing directly on the design. 5. Keep it cool to keep it fresh! Be Kind with your Gear !

What if there’s a problem with my order ?

We’ve got your back ! If something’s not right when your order arrives, hit us up right away through Etsy messaging, and we’ll make it right. 🎯

Do you accept returns ?

Since all our products are made just for you, we can’t accept returns unless there’s a defect or damage. But no worries—we always aim for 100% satisfaction. ❤️

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NowPrice:£9.38+

Original Price: £18.77

50% off

This item can't be delivered to the United Kingdom.

Custom Monster Truck birthday shirt, Birthday Truck Shirt, Birthday Boy Tee, Jam Squad Shirts, Birthday Gift

Name: Custom Monster Truck birthday shirt, Birthday Truck Shirt, Birthday Boy Tee, Jam Squad Shirts, Birthday Gift
Brand: TheMarsLB
SKU: 4508525856
Availability: InStock
Rating: 4.8 (81 reviews)

TheMarsLB

Arrives soon! Get it by 30 May-08 Jun if you order today

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The Mars

Owner of TheMarsLB

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Order today to get by 30 May-08 Jun
Returns & exchanges not accepted
Delivery cost: £5.62
Dispatched from: Dallas, TX

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Highlights

Materials: Cotton, polyester

Note: Message us if you’re interested in matching shirts for the whole family.

⭐ QUALITY: Made to Last, Made for You
At The Mars Apparel, we care about comfort, quality, and style.
We use trusted brands like Comfort Colors®, Gildan®, and Bella+Canvas® to bring you soft, durable t-shirts and sweatshirts that feel great and last long.

Each piece is chosen for its high-quality fabric, relaxed fit, and timeless look—perfect for everyday wear.

🚀 PRODUCTION & SHIPPING
Production time: 3–5 business days (each item is made just for you).

Shipping (U.S.): 2–5 business days.
⚠️ Processing may take a bit longer during busy times. Check our shop announcements for updates.

🛍️ HOW TO ORDER
Browse the product photos to choose your favorite size and color.

Use the dropdown menus to make your selections.

Add the item to your cart and place your order.

We’ll create your custom piece and ship it straight to you.

📏 SIZING GUIDE
All items are unisex and have a relaxed fit.

Want it more fitted? Size down.

Prefer an oversized look? Size up 1–2 sizes.

✅ Be sure to check the size chart in the product images before ordering.
🚫 We don’t offer returns or exchanges for size mistakes.

🧼 CARE INSTRUCTIONS
To keep your item looking fresh:

Wash cold, inside out, on a gentle cycle with like colors.

Skip fabric softeners.

Hang dry for best results (or tumble dry on low).

If ironing, use a cool setting inside out—do not iron over the design.

🎨 PRINTING METHOD
We use Direct-to-Garment (DTG) & (DTF) printing.
This technique blends the design right into the fabric, giving it a soft, natural feel—no thick or heavy prints.

🙌 RETURNS & CANCELLATIONS
Because every item is made to order, all sales are final.

If we send the wrong item or something arrives damaged, we’ll replace or refund it—no hassle.

⏳ You can cancel your order within 1 hour of purchase.

Got questions? Message us anytime. We’re happy to help! 🌟

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TheMarsLB makes this item with help from

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The Mars

TheMarsLB ·

Texas, United States

4.8

644 sales

11 months on Etsy

2 shop members

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Typically responds within a few hours

Following Follow shop

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Smooth dispatch Has a history of dispatching on time with tracking.

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Disclaimer: As with all children's products, adult supervision is required. Products that contain small parts may pose a choking hazard and should not be used by children under 3. Sellers are responsible for following applicable laws and regulations, including posting items with accurate labelling and warnings. Etsy assumes no responsibility for the accuracy, labelling, or content of sellers' listings and products. Always read labels, warnings, directions and other information provided with the product before using it. If you have any questions, message the seller. See Etsy's Terms of Use for more information.

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Custom Monster Truck birthday shirt, Birthday Truck Shirt, Birthday Boy Tee, Jam Squad Shirts, Birthday Gift

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