155-Piece Combo Pack Contains: * 50 Pcs Cylinder (White) - 0.3 inches width x 0.1 inches thick. * 40 PCs Cylinder (Blue) - 0.4 inches width x 0.06 inches thick. * 40 PCs Hemisphere (Yellow) - 0.4 inches width x 0.2 inches thick. * 25 PCs Square (Red) - 0.4 inches width x 0.2 inches thick. Applicable Surfaces: This product is suitable for smooth surfaces such as metal, plastic, glass, etc. It is not suitable for rough surfaces like rubber or untreated wood.
TACTILE IDENTIFICATION：A boon for individuals with visual impairments such as low vision, glaucoma, blindness, and macular degeneration! This tactile marking solution brings accessibility to everyday items, be it keyboards, phones, electronic controls, buttons, or switches – all effortlessly identifiable through touch.
DIVERSE SHAPES AND SIZES：Meet various identification needs! We offer three shapes – hemisphere,square and cylinder,ranging from 0.3 to 0.4 inches. Whether you seek a subtle or robust tactile experience, we've got you covered.
HIGH CONTRAST COLORS：Yellow, Blue, White,Red – 4 vivid color choices providing optimal recognition for users with low vision.
USER-FRIENDLY DESIGN：Simple and convenient! Crafted from high-quality silicone material .
HIGH COST-EFFECTIVENESS：Each set includes up to 155 markers, offering a one-time purchase for long-term use, making your life more convenient and economical.