funlife 25x100cm 20pcs Flower Square Loop 3d Acrylic Mirror Wall Stickers Home Decoration DIY Home Decor Mateial is eco-friendly ps plastic,high quality and environmental protection. suitable: Living room, Bedding room, Kids' room 4 squares on wall:25x100cm(10x40in) or 50x50cm (19.6 x 19.6 inch), it depends on how you layout it suggested to paste on smooth surface only like no dust, even wall, mental, glass, etc NOT stick them onto textured surface or wooden or uneven, wet painted wall, they will fall