COOL YOLEB 30oz Insulated Tumbler with Leak-Proof Lid

The COOL YOLEB 30oz Tumbler is a double-wall vacuum-insulated stainless steel tumbler designed for budget-conscious consumers seeking all-day temperature retention. This Army Green powder-coated tumbler features a leak-proof lid, integrated straw, and a compact 30oz capacity suitable for daily hydration. Key specs: 18/8 stainless steel construction, vacuum insulation rated for 12-hour cold retention, dishwasher-safe components, and standard cup-holder compatibility. At $12.99, it competes in the ultra-budget segment against Simple Modern and Iron Flask value options. However, COOL YOLEB carries minimal brand equity and sparse review velocity compared to Stanley or Owala. Review feedback reports occasional lid seal issues when tipped and paint wear over time. Best suited for cost-first buyers prioritizing affordability over category-leading durability or innovation.