Subscribe to the newsletter and get a £5 voucher

- Sustainable

£23.99

Plus shipping

Pi Day Confidence on Lunchboxes

Made of durable stainless steel 304 with natural bamboo lid
Size: 18×11×6.4cm – compact and versatile
Stable weight: approx. 370g

Lunch Box

Product size guide

A - Length in in
B - Width in in

Size	A (in)	B (in)
One Size	7.09	4.33

Filter by rating:

No reviews yet

Created by Thomyatberlin

Pi Day Confidence

Pi Day Confidence

Thomyatberlin

Created by Thomyatberlin

Stylish nerdy motifs: orange pie and pi on a black background; clear yellow elements; ideal for students, engineers and math fans – funny, eye-catching, suitable for everyday use.

Tags: Pi, Pie, Math, Nerd, Geek, classroom, Student, Stem, Math tea, Funny, Calculus, geometry, Algebra, Graphic, orange, Black, Design, Poison, novelty

This design on other products

Thomyatberlin

See all designs by Thomyatberlin

+11
£19.99
Men's T-Shirt
- +11
+17
£34.99
Unisex Hoodie
- +17
+7
£43.99
Men’s Premium Organic Hoodie
- +7
+6
£22.99
Men's Premium Organic T-Shirt
- +6
+3
£29.99
Stanley/Stella Oversized Unisex Organic T-shirt Blaster 2.0
- +3
£29.99
Heavyweight Boxy Unisex T-Shirt by Stanley/Stella
£28.99
Unisex Oversized Heavyweight T-shirt
£25.99
Unisex Premium Oversized Organic T-Shirt
£29.99
Unisex Premium Tie-Dye T-Shirt
+4
£44.99
Men's Premium Organic Jumper
- +4
£45.99
Unisex Premium Organic Zip Hoodie
£41.99
Unisex Hooded Jacket
+2
£27.99
Men's Premium Organic T-shirt with V-neck
- +2
£23.99
Men's V-Neck T-Shirt
+10
£37.99
Gildan Unisex Softstyle® Midweight Hoodie
- +10
£21.99
Men's Premium Organic Tank Top
£31.99
Men's Premium Organic Long Sleeve Shirt
+11
£27.99
Stanley/Stella CRAFTER Unisex Organic T-Shirt
- +11
+15
£27.99
Stanley/Stella CREATOR Unisex Organic T-Shirt
- +15
+6
£25.99
RELAXED FIT Unisex Organic T-Shirt
- +6
+1
£24.99
Men's Slim Fit T-Shirt
- +1
£21.99
Long Fit Men's T-Shirt
£23.99
Men's Ringer Shirt
+1
£54.99
Oversized Unisex Hoodie by Stanley/Stella
- +1
+16
£50.99
Stanley/Stella CRUISER Unisex Organic Hoodie
- +16
+2
£44.99
Stanley/Stella DRUMMER Unisex Organic Hoodie
- +2
£52.99
Unisex Organic Zip Sweatshirt by Stanley/Stella
£52.99
Relaxed Fit Unisex Organic Shirt by Stanley/Stella
£52.99
Men’s Organic Denim Shirt by Stanley/Stella
£46.99
Men's Oxford Shirt by Stanley/Stella
£72.99
Unisex Sherpa Gilet by Stanley/Stella
£79.99
Relaxed Fit Unisex Sherpa Jacket by Stanley/Stella
£84.99
Men’s Recycled Softshell Jacket by Stanley/Stella
£31.99
Men's Premium Organic Joggers
£42.99
Stanley/Stella Mover Unisex Organic Jogging Trousers
£36.99
Stanley/Stella Trainer Unisex Organic Jogging Shorts
+3
£29.99
Men's Polo Shirt
- +3
+9
£36.99
Stanley/Stella Unisex Organic Polo Shirt PREPSTER
- +9
£33.99
Stanley/Stella Organic Unisex Long-Sleeved Polo Shirt Prepster
+3
£25.99
Men's Functional T-Shirt
- +3
£25.99
Men’s Pool Sliders
£28.99
Swim Trunks
£19.99
Men's Boxer Shorts
+10
£37.99
Unisex Sweatshirt
- +10
£36.99
Quarter-Zip Sweatshirt
+6
£41.99
Stanley/Stella CHANGER Unisex Organic Sweatshirt
- +6
+5
£46.99
Stanley/Stella ROLLER Unisex Organic Sweatshirt
- +5
£44.99
Oversized Unisex Hoodie
£52.99
Stanley/Stella SOUNDER Unisex Hoodie
+3
£42.99
Contrast hoodie
- +3
£54.99
Stanley/Stella CULTIVATOR Unisex Organic Hooded Jacket
£26.99
Men's Vintage T-Shirt
£24.99
Men's Baseball T-Shirt
£31.99
Unisex Long Sleeve Baseball T-Shirt
+6
£24.99
Men's Breathable T-Shirt
- +6
£27.99
Men's Basketball Jersey
+1
£31.99
Men's Polo breathable
- +1
£27.99
Men's Functional Contrast Tank Top
£17.99
Gildan Men’s Tank Top
£24.99
Men’s Organic Tank Top
£52.99
College Sweat Jacket
£52.99
Unisex sweater with zip collar
+2
£25.99
Men's Workwear T-Shirt
- +2
£36.99
Men's Tipped Polo Shirt
£38.99
T-Shirt - made by SPREAD
£32.99
Longsleeve - made by SPREAD
£67.99
Organic Relaxed Hoodie Made in EU
£38.99
Shorts - made by SPREAD
£72.99
Organic Relaxed Hooded Jacket Made in EU
+2
£62.99
Sweatshirt - made by SPREAD
- +2
£55.99
Heavyweight Oversized Organic Boxy T-Shirt Made in EU
£32.99
Heavyweight Oversized Organic Longsleeve Shirt Made in EU
£47.99
Heavyweight T-Shirt - made by SPREAD
£98.99
Hoodie- made by SPREAD
£98.99
Zip Hoodie - made by SPREAD
£67.99
Heavyweight Oversized Organic Crew Neck Made in EU
£44.99
Heavyweight Jogging Pants - made by SPREAD
£39.99
Heavyweight Shorts - made by SPREAD
£29.99
Unisex Polycotton T-Shirt
£27.99
Men's Premium Organic T-Shirt
£52.99
Organic Fitted Hoodie Made in EU
£52.99
Unisex Softshell Jacket
+1
£42.99
Jogging Pants - made by SPREAD
- +1
£44.99
Organic Relaxed Cropped Shorts Made in EU

Do you find the design problematic?

Similar designs

+10
£37.99
Unisex SweatshirtBrainrot La Vaca Saturno Saturnita – Funny Meme
- +10
+3
£21.99
Snapback CapEquestrian Floral Crest
- +3
+1
£24.99
Women’s Premium Organic Top90s I love the 90s Outfit Gift Music
- +1
£19.99
Full Colour MugSix Days Smarter: Cheerful School Theme
£31.99
Women's Premium Organic Long Sleeve ShirtBrainrot Glorbo Fruttodrillo – Funny Meme
£67.99
Heavyweight Oversized Organic Crew Neck Made in EUEaster Rottweiler Easter Bunny Ears Heart Glasses
+2
£27.99
Men's Premium Organic T-shirt with V-neckCute sloth with heart hands
- +2
£21.99
Women’s Premium Organic Tank topGiraffe in Bed Sleepshirt
£23.99
Women's V-neck T-shirtCute horse with heart hands
+3
£23.99
MiniFeet® RecycelHase® Bunny CreamCute goat with heart hands
- +3

You will like this

£25.99
BackpackWater Sommelier
+5
£19.99
Kids' T-ShirtPeanuts The Peanuts Abbey Road
- +5
£19.99
Kids’ Baseball CapCool meerkat look in colorful
£31.99
Women's Premium Organic Long Sleeve ShirtGrumpy badminton player
£23.99
Men's V-Neck T-ShirtPension Retirement Pension Gift Funny Funny
£16.99
Tennis socksWheelchair user with handbike symbol *
£23.99
Baseball Capherring
+1
£24.99
Men's Slim Fit T-ShirtBorn 1976 Original Retro Vintage Birthday
- +1
+6
£22.99
Men's Premium Organic T-ShirtAged to Perfection
- +6
+3
£42.99
Contrast hoodiePhysics Funny Sayings Cool Physicist Gift
- +3

Fitting stickers

£2.49
Sticker size S (10 x 10 cm)
£2.49
Sticker size S (10 x 10 cm)Kmoet just nothing, Antwerp dialect Shirts
£2.49
Sticker size S (10 x 10 cm)cozy coffee club
£2.49
Sticker size S (10 x 10 cm)Rabbit Hand Shadows Glow in the dark
£2.49
Sticker size S (10 x 10 cm)kingfisher
£2.49
Sticker size S (10 x 10 cm)Braille alphabet
£2.49
Sticker size S (10 x 10 cm)coworker leaving funny
£2.49
Sticker size S (10 x 10 cm)Slow Sunday Book Club - Raccoon with Book
£2.49
Sticker size S (10 x 10 cm)Cool Mom Hot Mess
£2.49
Sticker size S (10 x 10 cm)Duck Tape | Ducklings with duct tape
£2.49
Sticker size S (10 x 10 cm)Wout Van Aert - Chamption cycliste