The Owala SmoothSip Slider is a 20 oz insulated stainless steel coffee tumbler, sold in a 2-pack. It features a patented SmoothSip spout for a smooth drinking experience and a leakproof sliding lid that locks securely to prevent spills.

The tumbler uses triple-layer vacuum insulation to keep hot drinks hot for up to 6 hours and cold drinks cold for up to 24 hours. It is cup holder friendly with dimensions of 8.13 inches tall by 3.4 inches in diameter. The lid and sliding lock are dishwasher safe, while the cup is recommended for hand washing to preserve its finish. All materials are BPA, lead, and phthalate free. Covered by Owala's Limited Lifetime Warranty.