This bottle bottom protector is made of high-quality food-grade silicone, with a round design of 10cm (3.94") in diameter and 1.8cm (0.71") in height, and a net weight of 15.6 grams per piece. It features excellent anti-slip, anti-scratch, shock-absorbent and heat-insulating performance, perfectly compatible with most 12-32oz insulated water bottles, glass cups and tumblers, effectively protecting the bottle base from wear and tear, noise and slipping. It is available in multiple colors, suitable for daily use, outdoor sports, brand promotion, corporate giveaways and promotional gifts. Each piece is individually packaged in a clear poly bag. 1000 pieces are packed in one standard export master carton, with a carton size of 40cm x 30cm x 25cm and a gross weight of 16.5 kilograms per full carton. This silicone bottle base cover supports custom brand logo processing via screen printing and laser engraving