5 x 30mm / 8 x 8mm / 10 x 10mm. 10 x 15mm / 10 x 20mm / 10 x 30mm. 15 x 30mm / 16 x 16mm / 18 x 18mm. 20 x 20mm / 20 x 25mm / 20 x 30mm. 25 x 25mm / 30 x 30mm. Material: Silicone. Product features: anti-collision, waterproof, solid, high temperature resistance, anti-freezing, anti-aging, durable, soft in all seasons.
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