Our double-wall coffee cups are 100% plant-based material, they are sustainable and renewable, and not harmful to our health and nature. it maintains the nature favor of coffee, tea, and drink. they will not release any microplastic and BPA(bisphenol A). We use sugarcane fiber paper to produce our paper cups, partially replace wood fiber paper, and reduce our consumption of wood and deforestation. Every 40' high container of sugarcane paper cups could save around 600 trees. They are biodegradable and compostable with beverage waste, after composting, they become the soil nutrient. Double-wall paper cups last longer. It can also be used for holding hot drinks such as hot coffee or tea. Size of 8oz cup: Top Dia.：80mm, Height：95mm, 25pcs per bag. SIze of 12oz cup: Top Dia.：90mm, Height：112mm, 25pcs per bag. Size of 16oz cup: Top Dia.：90mm, Height：135mm, 25pcs per bag.