Silent Pocket RFID Signal Blocking Leather Checkbook - Great for Travel, Secure Your Information (Jet Black) SECURITY, SAFETY, PRIVACY - Our checkbook wallet protects you from identity theft and credit card data breaches with the most advanced RFID Secure Technology, blocking RFID signals from unauthorized scans. SLIM AND SLEEK DESIGN - With a slim, minimalist design and room for 20+ cards REAL NAPA TOP GRAIN LEATHER - This stylish and lightweight checkbook wallet use smooth and supple leather that will withstand years of daily use. DIMENSIONS: 19 x 9.25 cm // 7.5 x 3.6 in PEACE OF MIND - Feel secure knowing that wherever you travel in the world, your personal information cannot be compromised by electronic pickpocketing thieves.