Features: Premium holder sticky pouches ensures secure attachment on luggage, backpacks, and surfaces with reinforced polyester construction, eliminating tracking device slippage during travel or daily commutes. This discreet tracking accessory with PVC coated fabric, maintaining full signals integrity while resisting scratches and wear in active environments. Ideal for privacy conscious travelers, technology professional, and outdoor enthusiasts needing reliabled item tracking without compromising styles or device functionality. Perfectly adapts to intelligent luggage, gym bags, pet collars, and briefcases – maintaining firm adhesion through airport handling, hiking adventures, and commutes. Tool less installation enables fast setup for multiple intelligent tracking devices, offering versatile compatibility across travel gear, and electronic accessories with lasting adhesion strength. Specifications: Size: Approx.45x40mm/1.77x1.57inch Color: black Package Includes: 1 Set Invisible Tracking Sticky Case note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.