Great protection for your baby is that we use high quality bumper edges made of high quality soft rubber material. Extra Thick (12mm), High Density, High Elasticity, Soft Touch: Protect your baby from the sharp edges of furniture, glass and chairs, so you can better protect your family. FITS: Our baby protector fits all types of tables: rectangular/square/round edges. Protective layer is ultra-soft side pads Easy to use; the double-sided adhesive has been installed, tear it off, measure the length to be cut, reusable, easy to assemble, suitable for any surface edge, no damage, just hot air to remove the adhesive easily. Package/dimensions; [2m anti-collision edge] 2m table edge guardrail -- 35mm 12mm 2m manual measurement has 1-3mm error Safe home environment; Bumper bars made of nitrile rubber, soft and elastic, free of formaldehyde and BPA, will not cause harm to children.