Stronger Hold & No Damage to Smooth Surface: These hooks use high-quality thicken traceless adhesive. It Is waterproof and oilproof, will not fall off under water or oil. Wager to oil will not affect its adhesive and sealing power. TIPS: Ideal loadcapacity 22 lbs. But due to different wall surface materials and different degrees of cleanness and dryness,it may not reach the ideal state of bearing 22 lbs.Please do not hang heavy valuables. Durable quality ABS material: These hooks are made of good quality ABS, rustproof, wear resistance, high temperature resistance, low temperature resistance, will not fade over time. Suitable for various surfaces: These self adhesive hooks and cable clips are widely used on a variety of smooth surfaces, like bricks,tile, glass, metal, wood door, plank, stainless steal, plastics, cable storage for household appliances, etc. Easy to install: No drilling and tools, no nail needed, install it in a minute. Leave It for 24 hours for better stickiness before use. Attention -- It is not advised to use these hooks on lime wall, painted wall, drywall rough surface, and wallpaperwith textures.