Rarelock Stainless Steel Door Latch Lock Deadbolts for Home Security, Travel, Hotel, Personal Safety. No Installation, Portable Convenient. Mms304 Latch Lock for Door or Window . Stainless Steel. Easy to carry anywhere. The backpack, handbag, even wallet. No drilling, no complex installation, simple principle, effective and safe protection. Personal protection, Travel, Hotel security, Family security, etc.