Black 4-Ball Tennis Ball Pressurizer Saver Dual-Mode Storage Airtight Silicone O-Ring Visible PSI Scale Portable Padel Accessory

1.This black tennis ball pressurizer is crafted from sturdy anti-drop ABS material, supporting dual-mode storage for 3 or 4 tennis/padel balls with the matched base. Equipped with airtight silicone O-ring seal to realize zero leakage, it stably holds 8–14 PSI internal pressure to lock the original bounce of balls, greatly extending their service life and saving your frequent cost of buying new balls.2.Built with a clear visible precision PSI pressure scale on the top cap, you can easily adjust and check the inner pressure to match your ideal playing feel. The textured non-slip body brings effortless twist-and-press sealing operation. Compact lightweight design (30cm tall, only 403g) can be easily slipped into tennis and padel backpacks, perfect for daily training, matches and coaching sessions.3.All-in-one practical padel accessories suitable for both tennis and padel sports. Its durable shock-resistant ABS structure allows long-term repeated use, effectively reviving soft, low-pressure balls instead of throwing them away to cut plastic waste. User-friendly assembly and sealing steps make it a must-have court gear for amateur players, trainers and professional athletes.Step1: Internal pressure causes resistance on first opening.Step2: Spring back while twisting — this is normal.Step3: Pull firmly. Normal strength works.