Glow In The Dark Vinyl - Glow in Dark permanent vinyl Set includes 6 pack 12" x 12" sheets in vibrant shades! With six different colors included in this glow in dark vinyl set, there is no need to worry about choosing a color. | Store Light To Glow - Store daylight during the day and naturally glow at night. If there is insufficient daylight, please leave it under the light for a period of time to achieve the same effect! You need to make it absorb enough light, it will shine in the dark, absorb more light, emit more light | Easy To Use - Lya Vinyl permanent vinyl roll are compatible with any electronic craft-cutting machine. The permanent adhesive vinyl could stick to smooth surface tightly. Allows you to cut, peel and weed the vinyl easily and apply your vinyl smoothly without the worry of bubble. | Easy To Cut & Transfer - Thicker bottom paper is not easy to be carved through. Moderate viscosity makes you smoother in weeding and transfering vinyl.Unlike low-cost advertising consumables, we use professional DIY materials so you can engrave small font decals. Complete the transfer with Lya Vinyl’s transfer paper is highly recommended. | Notice - NOT HTV, NOT PRINTABLE VINYL. After finsihed, permanent vinyl needs to stand for 24 hours before touching the water source. | Lifetime Warranty - We're sure you'll love your permanent vinyl. But if you have any problems, just let us know & we provide lifetime warranty. Note: Please attempt to pre-cut and set a proper size before you officially do it to eliminate errors, If it gets better, keep lowering the blade until the problem is gone.