中国香港采购需求：草坪旗帜、车库车旗、3x5 万圣节旗帜、教堂旗帜、立牌旗帜、街道旗帜

I'm looking for more information on A Frame Banners and would appreciate your help. Could you please provide details on the various sizes, materials available, and printing options? Also, it would be great to know the pricing structure for bulk orders and any customization possibilities. Additionally, if you have any recommendations for specific models that are best sellers or particularly popular, I'd love to hear about them. Timelines for production and shipping would also be very helpful. Thanks in advance for your support!