1. Mehr Classic Attachable Key Chain - Simple, Elegant, Durable Multi-ring Key Holder - Smart Keychain (Matte Black) (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Made of zinc alloy. Well-constructed for maximum durability.Size: 3.5 x 1.5 x 0.25 inches (including the ring).

2. Heshe Fashion Leather Key Case Pure Color 6 Key Holder Keychain Key Ring (Black) (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
Material: Soft cowhide leather with high-quality silver hardware. New fashion design, very popular, very flexible key case.Europe & American fashion cattle hide unsex key case holds up to 6 keys and 1 split key ring for access card, which is useful and convenient for user to carry his/her keys.

3. Jzcky Shzrp Premium Key Chain，Adopts Advanced Integrated Molding Technology, the Whole Body without Screws and Welding, Expansion Bolt Connection Keychain (Gray) (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Integrated molding technologyMaterial：Eco-friendly zinc alloy

4. Buffway Car key Chain bag,Genuine Leather Car Smart KeyChain Coin Holder Metal Hook and Keyring Wallet Zipper Case for Auto Remote Key Fob - Black (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
SMOOTH LEATHER YOU CAN ACTUALLY FEEL: Our metallic and leather car key holder is soft to the touch. It has 3 inner layers consisting of microfiber, moulding plate and shock-proof sponge. Its material is low carbon and nontoxic to humans.EASY TO HOLD DESIGN AND PROTECTION: Its smooth zipper around has a Kirstine hook for easy and comfortable grip. It has a quick closure, and it's easy to put in and get out your smart car key.

5. KEY-BAK SECURIT Heavy Duty Retractable Reel, 8oz., 48 in. (120 cm) Kevlar Cord, Durable Polycarbonate Case, Zinc Alloy Carabiner, Split Ring (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
48 inch (120 cm) Kevlar cordTough black polycarbonate case measures 2 inches (5 cm) in diameter with a total unit length of 6.75 inches (12.7 cm)