One cup, two lids, switch at will. Insulation and cooling for different scenarios. Made of SUS304 stainless steel. Soft silicone straw. The middle plug is detachable for easy cleaning. Flip-top design, dust-proof and leak-proof. Diagonal shoulder strap, dual-use portable cup bag. Straw cover opens with a single touch, and the drinking mouth has an anti-splash design to prevent splashing. The fully open pouring cover makes it easy to pour.