【Premium Materials】 Selected Vintage Leather: Excellent breathability and durability, high-quality leather that deepens in character with age. Handcrafted by Artisans: Envelope design finished one by one by craftsmen, creating a sense of luxury. 【Compact Design】 Size: 11 x 6.5 x 2.5cm (palm-sized). Structure: 6 key hooks | 1 outer card pocket | 1 inner card pocket | 2 bill pockets | 1 external hook (for securing inside a bag). 【Functional Innovation】 Complete Separate Storage: Layered management of keys/cards/bills, preventing loss and damage. Smart Key Compatible: No radio wave interference (verified with all Toyota, Honda, etc. models). 3-second Access: One-handed opening and closing possible with a special hinge structure. 【Available in 5 Colors】 Classic: Black / Brown / Cherry. Modern: Navy / Olive / Burgundy. Perfect for Business: Doesn't bulge in suit pockets, maintains dignity during business negotiations. 【Comes with a Luxury Gift Box】 Business Gifts: For clients and superiors' promotions. Anniversary Gifts: Give "practical elegance" for Father's Day / Mother's Day / birthdays.