and high quality Made of high quality material, durable and functional Bright colors, easy to find underwater, Easy and convenient to use (luminous light emits luminous light in dark conditions from absorbing light, sunlight and other light sources) Usually used in conjunction with guide ropes for safe entry and exit from caves or wrecks Suitable for technical diving, scuba diving, cave wreck diving, etc. Triangle: 6.1x4.2x0.3cm Round: 5.5x5.5x0.35cm Rectangle: 8.4x5x0.35cm Colour: As Shown Material: ABS Package Contents: 6x triangle labels (2 each in 3 colors) 6x biscuit labels (2 each in 3 colors) 8x square labels (2 each in 4 colors) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.