18 inch laptop case
Skip itWeak search conversion (1.4%) — this niche doesn't clear our bar today.
Competition
Great26%top-5 click share — an open shelf
Avg price
Great$70.37avg listing price — sweet spot $15–$100
Brand share
Good74%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Okay3,254.81avg incumbent reviews — the moat a new listing must climb
Returns
Okay5.5%return rate — above 6% kills the launch gate
Market size
Okay$120K$120K/yr · 123K searches
Price range
Okay$12.86–$321.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-7.9%90-day search growth — must beat 0% to launch
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Competition
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.Brands
28 falling
Sellers
96
Top-5 brand share
74%
Open market
23%
- Samsonite51%
- Smatree14%
- Targus4%
- Ytonet3%
- WUHBJJXY3%
- Voova3%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 79 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Samsonite Classic 2.0 15.6 TSA 2 Compartment Briefcase 15.6 inch Black
Samsonite$66.724.6★116 rev
Smatree Heavy Duty Hard Sleeve Case Compatible for 18 inch ASUS ROG Strix SCAR 18 2025/2024/2023 Gaming Laptop for 18 inch ASUS ROG Strix G18 2025/2024/2023 Gaming Laptop Waterproof Handbag (A800XL)
Smatree$98.294.6★231 rev
Samsonite Classic Leather Toploader Briefcase Cognac One Size
Samsonite$144.514.5★766 rev
Samsonite Kombi Business Backpack Ballistic Nylon 15.6 Laptop Compartment Tablet Pocket SmartSleeve Multi-Pocket Organizer Padded Straps & Back Top Handle Fleece-Lined Accessory Pocket
Samsonite$125.244.7★1,905 rev
Samsonite Classic Leather Slim Backpack Cognac One Size
Samsonite$119.384.5★2,951 rev
Newest
by launch date
WIRABO 17 Inch Laptop Bag for Women Computer Bag Laptop Briefcase Messenger Bag for Work Office Teacher Business Travel Pink
WIRABO$24.9028 rev
DOMISO 18 inch Laptop Sleeve with Handle Shockproof Computer Bag Waterproof EVA Protective Carrying Case for 17.3 MSI GS73VR Stealth Pro/HP Envy 17/LG Gram 17/ROG Strix GL702VS Pink
DOMISO$30.474,647 rev
DOMISO 18 Inch Laptop Hard Case Waterproof Shockproof Hard Shell Protective Laptop Sleeve with Handle for 18 Inch ASUS ROG Strix SCAR 18 G18 2025/2024/2023 Gaming Laptop Silver
DOMISO$31.82294 rev
bagasin 17 17.3 18 inch Laptop Computer PC Shoulder Bag Carrying Case Water-Repellent Fabric Briefcase Lightweight Toploader Business Casual or School
bagasin$27.772,427 rev
BYIECLD Tactical Laptop Bag for Men 14 Inch & 18 Inch Military Messenger Bag 900D Nylon Water Resistant Computer Bag with Luggage Strap Multipurpose Work Bag for Travel Business Campus
BYIECLD$44.1343 rev
Trending
90-day click momentum
Samsonite Better Than Basics Weekender Duffle Drop Bottom Travel Bag with 14 Laptop Compartment SmartSleeve Trolley Strap Adjustable Shoulder Strap Durable RPET Lining CHOCOLATE MAUVE
Samsonite$79.834.6★
WIRABO 17 Inch Laptop Bag for Women Computer Bag Laptop Briefcase Messenger Bag for Work Office Teacher Business Travel Pink
WIRABO$24.904.6★
LOVEVOOK Work Tote Bag for Women Vintage Leather 17.3 Inch Laptop Bags with Large Cup Holder Teacher Nurse Medical Professional Computer Bag Office Briefcase Handbag Gift
LOVEVOOK$52.364.6★
DOMISO 18 inch Laptop Sleeve with Handle Shockproof Computer Bag Waterproof EVA Protective Carrying Case for 17.3 MSI GS73VR Stealth Pro/HP Envy 17/LG Gram 17/ROG Strix GL702VS Pink
DOMISO$30.474.5★
Amazon Basics Travel Laptop Backpack with Multiple Pockets and Compartments for 17 in / 43.1 cm Laptop Water Resistant Spacious with Padded Shoulder Straps Black
Amazon Basics$24.474.7★
Demand
Weekly Amazon search volume, last 40 weeks — -7.9% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Premium quality”
“easy to fit everything in”
“Great Deal”
“The material feels durable”
“Lots of space”
“stylish design”
“The material is strong”
“Easy to carry, good size”
“Tons of Pockets”
“Very nice lightweight case”
What buyers complain about
“Smaller than expected”
“Cheap quality”
“not really durable”
“Color was awful”
“It has a very strong scent”
“Disappointing for the price”
“does not stay zipped”
“Size not as advertised”
“Too heavy and bulky”
“Flimsy”