Thank you for viewing! The beads used are Czech beads. The strap is removable. ◇ This is a handmade product. There may be distortions or scratches. Please refrain from purchasing if you are looking for the strength and perfection of a mass-produced product. ◇ There may be slight errors in the measurements. ◇ Please be aware that deformation or damage may occur if subjected to impact or strong force. ◇ The colors in the images may appear different depending on your device and monitor. ◇ Items will be shipped in simple packaging. (Bubble wrap, rain protection) Thank you for your understanding and consideration.