[100% LEAK PROOF WITH LIP] ICECO Extra-Large Tumbler is designed with splash-proof lid with sliding closure, well leak-proof, push gently and enjoy your hot/iced coffee, water, tea anytime & anywhere. Keep your car or backpack dry and clean, suitable for outdoor travel, hiking, camping, fishing, cycling, etc. [SUPERIOR COLD&HOT INSULATION] Double wall vacuum insulation design for temperature retention, this cup can keep ice water cold for up to 24 hours and hot coffee warm up to 6 hours. Easy to take in / pour out your beverages with wide-open cup rim. [PREMIUM STAINLESS STEEL] Our tumbler is made of strong 18/8 stainless steel, which is durable and no more worried about rusting. 100% BPA-free and eco-friendly, safety and reliable, make sure the long-term reusable usage. [SWEAT-PROOF & PORTABLE] With tough coating on the surface treatment, this travel mug won’t crack,