15~20 days.

Yes, customised products are supported.

Straws are made of PLA, PBS, TD. 

10,0000 pieces.

Yes, most paper cups are food-safe for occasional use, short-term use. but frequent use may expose you to trace chemicals from the lining due to most paper hot and cold drinking cups are lined with PE/PLA. Some compostable paper cups are aqueous coated cups. The healthiest option is to use reusable cups when possible. So for long term, better NOT to use the disposable paper cups for too long time.

Yes, Paper cups are generally safer than plastic cups as they don't contain BPA or phthalates, especially compostable/biodegradable paper cups made from plant-based materials. However, their lining may release trace chemicals at high temperatures. Food-grade paper cups are considered safe for beverages below 95°C.

Normally the disposable paper cups are for  hot and cold beverages like coffee, tea, soft drinks, and water in food service establishments, events, and takeaway situations. Often the ripple wall paper cups and double layer coffee cup are used for coffee shops due to tougher and more durable than normal single wall paper cups .

Because paper cups are easy to use,heat insulation, Also a good way to brand your shop. That's why They are widely used for serving beverages in various settings, including cafes, events, and takeout orders, due to their portability,ease of use, and disposability.