JCM CUSTOM Removable Easy Peel and Stick, Wall Vinyl Decal Sticker, DIY Decor/Safe on Painted, Triangle, Black, Set of 96 + Water based removable vinyl (it will not damage surface when removed assuming) Indoor durability - 10 years + Size chat by inch: (W x h) 3" x 2.5" / each Color: Black (available for many colors)