What types of promotional gadgets are most popular and effective?

The most popular gadgets include: pens with company logos, promotional mugs, keyrings, refrigerator magnets, embossed stickers, shopping cart tokens, and paper bags with prints. Particularly effective are 3D keychains, promotional magnets, and embossed stickers that attract attention through interesting prints. The key is to match the gadget to the nature of cooperation and the client’s rank.