4-Piece Insulated Cooler Set with Wheels – Camping & Baby Milk Storage Combo (3.5L+10L+20L+50L)

The JUNLONG 3.5L + 10L + 20L + 50L insulated cooler set is a complete cooling solution designed to meet every need — from safeguarding a bottle of breast milk on a daily commute to keeping an entire campsite fully stocked with cold drinks for a week. This four-piece set brings together the compact JL-B-3.5UL 3.5-litre mini foam insulated cooler for breast milk storage, the versatile JL-B-10UL 10-litre twist-lock foam insulated cooler for camping and picnics, the dependable JL-B-020UL 20-litre daily use insulated cooling box, and the heavy-duty JL-B-050L 50-litre big sports cooler box with wheel. Together, they cover personal temperature-sensitive storage, short outdoor excursions, everyday errands, and large-scale adventures. All four coolers are constructed from food-grade materials — PP, PE, and high-performance PU or EPS insulation — ensuring safe, durable, and reliable temperature retention wherever you go.