Insulated Leakproof Lunch Cooler Bag for Picnic, Camping & Travel

Designed for brands, wholesalers, and distributors looking for a reliable and customizable insulated solution, this Insulated Leakproof Lunch Cooler Bag combines durable materials, functional design, and strong thermal performance. Manufactured with high-quality Oxford fabric and multi-layer insulation, it is ideal for outdoor activities such as picnic, camping, travel, and hiking, as well as daily use for work or school.

As a professional custom cooler bag manufacturer, we offer this model for bulk orders with flexible customization options, making it suitable for promotional programs, private label brands, and retail distribution.

Durable Material & Leakproof Construction

The outer layer is made of sturdy Oxford fabric, providing excellent resistance to abrasion and daily wear. Inside, a leakproof lining prevents spills and moisture leakage, ensuring safe storage of food and beverages. This structure helps protect other items during transport, making it a dependable choice for outdoor and travel use.

Effective Insulation & Spacious Capacity

With a capacity of approximately 20–21 liters, this cooler bag offers ample space for meals, drinks, and snacks. The multi-layer insulation system helps maintain internal temperature for extended periods, keeping contents fresh, warm, or cool as needed. Measuring 28 × 20 × 37 cm (11.0 × 7.9 × 14.6 inches), the bag balances generous storage with easy portability.

Expandable, Foldable & Practical Design

The expandable structure allows users to adjust storage space depending on their needs, while the foldable design makes it convenient for storage when not in use. Multiple internal layers help organize food containers, ice packs, and accessories efficiently, enhancing user experience in both outdoor and everyday scenarios.

Customization for B2B Buyers

This product supports custom patterns, logos, colors, and packaging, making it ideal for companies sourcing wholesale insulated lunch cooler bags. With a MOQ of 500 pcs and a sample production time of 5–7 days, buyers can quickly evaluate quality and design before placing bulk orders. OEM and ODM services are available to meet different market requirements.

Key Features

• Leakproof and durable Oxford material

• Multi-layer insulated structure for thermal performance

• Expandable and foldable for flexible use

• Unique design suitable for outdoor and daily use

• Customizable pattern and branding options

Whether you are a distributor, retailer, or promotional product supplier, this cooler bag is a competitive choice in the bulk lunch cooler bags market. It offers a strong balance of quality, functionality, and customization potential to help your brand stand out.